Sultan Muhammad Imaaduddeen IV was the Sultan of the Maldives from 18 June 1835 to 15 November 1883.^[1] He ruled for 48 years, 4 months, and 28 days, making his reign the longest ever in the Maldives.^[2] The first map of the Maldives was created during his reign by British forces. ^{[citation needed]}

At the beginning of his reign, the Prime Minister was his uncle Athireege Ahmed Dhoshimeyna Kilegefaanu, who died in 1848. Galolhuge Ali Dhoshimeyna Kilegefaanu succeeded his father as the Prime Minister. ^{[citation needed]}