Finding the Fourth Proportional to 1,146,932.91, 1,582,773.57 and 630,720.09
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Solution
The fourth proportional to 1,146,932.91, 1,582,773.57 and 630,720.09 is: 870,397.11
Step by Step Solution
- Step 1: Write the proportion equation
1,146,932.91 : 1,582,773.57 = 630,720.09 : x - Step 2: Convert to fraction form
1,146,932.91/1,582,773.57 = 630,720.09/x - Step 3: Cross multiply
1,146,932.91x = 1,582,773.57 × 630,720.09 - Step 4: Simplify right side
1,146,932.91x = 998,287,088,520.02 - Step 5: Solve for x
x = 998,287,088,520.02/1,146,932.91 - Step 6: Final answer
x = 870,397.11
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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.