Finding the Fourth Proportional to 1,154,565.20, 1,593,252.90 and 638,286.24
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Solution
The fourth proportional to 1,154,565.20, 1,593,252.90 and 638,286.24 is: 880,808.99
Step by Step Solution
- Step 1: Write the proportion equation
1,154,565.20 : 1,593,252.90 = 638,286.24 : x - Step 2: Convert to fraction form
1,154,565.20/1,593,252.90 = 638,286.24/x - Step 3: Cross multiply
1,154,565.20x = 1,593,252.90 × 638,286.24 - Step 4: Simplify right side
1,154,565.20x = 1,016,951,402,910.10 - Step 5: Solve for x
x = 1,016,951,402,910.10/1,154,565.20 - Step 6: Final answer
x = 880,808.99
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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.