Finding the Fourth Proportional to 1,051,358.77, 1,577,037.99 and 252,640.31
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Solution
The fourth proportional to 1,051,358.77, 1,577,037.99 and 252,640.31 is: 378,960.43
Step by Step Solution
- Step 1: Write the proportion equation
1,051,358.77 : 1,577,037.99 = 252,640.31 : x - Step 2: Convert to fraction form
1,051,358.77/1,577,037.99 = 252,640.31/x - Step 3: Cross multiply
1,051,358.77x = 1,577,037.99 × 252,640.31 - Step 4: Simplify right side
1,051,358.77x = 398,423,366,675.38 - Step 5: Solve for x
x = 398,423,366,675.38/1,051,358.77 - Step 6: Final answer
x = 378,960.43
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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.