Finding the Fourth Proportional to 1,397,305.12, 2,096,365.92 and 450,654.88
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Solution
The fourth proportional to 1,397,305.12, 2,096,365.92 and 450,654.88 is: 676,113.98
Step by Step Solution
- Step 1: Write the proportion equation
1,397,305.12 : 2,096,365.92 = 450,654.88 : x - Step 2: Convert to fraction form
1,397,305.12/2,096,365.92 = 450,654.88/x - Step 3: Cross multiply
1,397,305.12x = 2,096,365.92 × 450,654.88 - Step 4: Simplify right side
1,397,305.12x = 944,737,532,113.69 - Step 5: Solve for x
x = 944,737,532,113.69/1,397,305.12 - Step 6: Final answer
x = 676,113.98
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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.