Finding the Fourth Proportional to 1,352,336.53, 1,866,349.61 and 748,724.53
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Solution
The fourth proportional to 1,352,336.53, 1,866,349.61 and 748,724.53 is: 1,033,309.17
Step by Step Solution
- Step 1: Write the proportion equation
1,352,336.53 : 1,866,349.61 = 748,724.53 : x - Step 2: Convert to fraction form
1,352,336.53/1,866,349.61 = 748,724.53/x - Step 3: Cross multiply
1,352,336.53x = 1,866,349.61 × 748,724.53 - Step 4: Simplify right side
1,352,336.53x = 1,397,381,734,562.93 - Step 5: Solve for x
x = 1,397,381,734,562.93/1,352,336.53 - Step 6: Final answer
x = 1,033,309.17
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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.