Finding the Fourth Proportional to 1,352,561.12, 1,866,534.24 and 748,949.12
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Solution
The fourth proportional to 1,352,561.12, 1,866,534.24 and 748,949.12 is: 1,033,549.73
Step by Step Solution
- Step 1: Write the proportion equation
1,352,561.12 : 1,866,534.24 = 748,949.12 : x - Step 2: Convert to fraction form
1,352,561.12/1,866,534.24 = 748,949.12/x - Step 3: Cross multiply
1,352,561.12x = 1,866,534.24 × 748,949.12 - Step 4: Simplify right side
1,352,561.12x = 1,397,939,176,497.87 - Step 5: Solve for x
x = 1,397,939,176,497.87/1,352,561.12 - Step 6: Final answer
x = 1,033,549.73
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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.