Finding the Fourth Proportional to 1,317,847.60, 1,818,742.44 and 744,989.68
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Solution
The fourth proportional to 1,317,847.60, 1,818,742.44 and 744,989.68 is: 1,028,149.50
Step by Step Solution
- Step 1: Write the proportion equation
1,317,847.60 : 1,818,742.44 = 744,989.68 : x - Step 2: Convert to fraction form
1,317,847.60/1,818,742.44 = 744,989.68/x - Step 3: Cross multiply
1,317,847.60x = 1,818,742.44 × 744,989.68 - Step 4: Simplify right side
1,317,847.60x = 1,354,944,348,378.02 - Step 5: Solve for x
x = 1,354,944,348,378.02/1,317,847.60 - Step 6: Final answer
x = 1,028,149.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.