Finding the Fourth Proportional to 1,352,378.52, 1,866,340.68 and 748,766.52
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Solution
The fourth proportional to 1,352,378.52, 1,866,340.68 and 748,766.52 is: 1,033,330.09
Step by Step Solution
- Step 1: Write the proportion equation
1,352,378.52 : 1,866,340.68 = 748,766.52 : x - Step 2: Convert to fraction form
1,352,378.52/1,866,340.68 = 748,766.52/x - Step 3: Cross multiply
1,352,378.52x = 1,866,340.68 × 748,766.52 - Step 4: Simplify right side
1,352,378.52x = 1,397,453,416,098.03 - Step 5: Solve for x
x = 1,397,453,416,098.03/1,352,378.52 - Step 6: Final answer
x = 1,033,330.09
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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.