Finding the Fourth Proportional to 1,192,318.83, 1,788,098.90 and 393,451.47
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Solution
The fourth proportional to 1,192,318.83, 1,788,098.90 and 393,451.47 is: 590,052.02
Step by Step Solution
- Step 1: Write the proportion equation
1,192,318.83 : 1,788,098.90 = 393,451.47 : x - Step 2: Convert to fraction form
1,192,318.83/1,788,098.90 = 393,451.47/x - Step 3: Cross multiply
1,192,318.83x = 1,788,098.90 × 393,451.47 - Step 4: Simplify right side
1,192,318.83x = 703,530,138,743.13 - Step 5: Solve for x
x = 703,530,138,743.13/1,192,318.83 - Step 6: Final answer
x = 590,052.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.