Finding the Fourth Proportional to 1,052,326.88, 1,578,724.08 and 491,055.20
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Solution
The fourth proportional to 1,052,326.88, 1,578,724.08 and 491,055.20 is: 736,691.88
Step by Step Solution
- Step 1: Write the proportion equation
1,052,326.88 : 1,578,724.08 = 491,055.20 : x - Step 2: Convert to fraction form
1,052,326.88/1,578,724.08 = 491,055.20/x - Step 3: Cross multiply
1,052,326.88x = 1,578,724.08 × 491,055.20 - Step 4: Simplify right side
1,052,326.88x = 775,240,668,849.22 - Step 5: Solve for x
x = 775,240,668,849.22/1,052,326.88 - Step 6: Final answer
x = 736,691.88
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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.