Finding the Fourth Proportional to 1,080,634.52, 1,620,951.78 and 415,631
Calculator
Solution
The fourth proportional to 1,080,634.52, 1,620,951.78 and 415,631 is: 623,446.50
Step by Step Solution
- Step 1: Write the proportion equation
1,080,634.52 : 1,620,951.78 = 415,631 : x - Step 2: Convert to fraction form
1,080,634.52/1,620,951.78 = 415,631/x - Step 3: Cross multiply
1,080,634.52x = 1,620,951.78 × 415,631 - Step 4: Simplify right side
1,080,634.52x = 673,717,809,273.18 - Step 5: Solve for x
x = 673,717,809,273.18/1,080,634.52 - Step 6: Final answer
x = 623,446.50
Related Problems
Find fourth proportional to 540,317.26, 810,475.89 and 207,815.50
Half scale
Find fourth proportional to 2,161,269.04, 3,241,903.56 and 831,262
Double scale
Find fourth proportional to 1,080,635.52, 1,620,953.28 and 415,632
Similar ratio
Find fourth proportional to 1,620,951.78, 2,431,427.67 and 623,446.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.