Finding the Fourth Proportional to 1,134,160.80, 1,565,140.95 and 624,863.17
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Solution
The fourth proportional to 1,134,160.80, 1,565,140.95 and 624,863.17 is: 862,310.65
Step by Step Solution
- Step 1: Write the proportion equation
1,134,160.80 : 1,565,140.95 = 624,863.17 : x - Step 2: Convert to fraction form
1,134,160.80/1,565,140.95 = 624,863.17/x - Step 3: Cross multiply
1,134,160.80x = 1,565,140.95 × 624,863.17 - Step 4: Simplify right side
1,134,160.80x = 977,998,935,513.81 - Step 5: Solve for x
x = 977,998,935,513.81/1,134,160.80 - Step 6: Final answer
x = 862,310.65
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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.