Finding the Fourth Proportional to 1,306,251.72, 1,802,649.65 and 717,575.97
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Solution
The fourth proportional to 1,306,251.72, 1,802,649.65 and 717,575.97 is: 990,267.08
Step by Step Solution
- Step 1: Write the proportion equation
1,306,251.72 : 1,802,649.65 = 717,575.97 : x - Step 2: Convert to fraction form
1,306,251.72/1,802,649.65 = 717,575.97/x - Step 3: Cross multiply
1,306,251.72x = 1,802,649.65 × 717,575.97 - Step 4: Simplify right side
1,306,251.72x = 1,293,538,071,168.91 - Step 5: Solve for x
x = 1,293,538,071,168.91/1,306,251.72 - Step 6: Final answer
x = 990,267.08
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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.