Finding the Fourth Proportional to 1,420,773.92, 2,129,672.35 and 661,989.71
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Solution
The fourth proportional to 1,420,773.92, 2,129,672.35 and 661,989.71 is: 992,291.01
Step by Step Solution
- Step 1: Write the proportion equation
1,420,773.92 : 2,129,672.35 = 661,989.71 : x - Step 2: Convert to fraction form
1,420,773.92/2,129,672.35 = 661,989.71/x - Step 3: Cross multiply
1,420,773.92x = 2,129,672.35 × 661,989.71 - Step 4: Simplify right side
1,420,773.92x = 1,409,821,187,523.19 - Step 5: Solve for x
x = 1,409,821,187,523.19/1,420,773.92 - Step 6: Final answer
x = 992,291.01
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.