Finding the Fourth Proportional to 1,352,371.50, 1,866,330.99 and 748,759.50
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Solution
The fourth proportional to 1,352,371.50, 1,866,330.99 and 748,759.50 is: 1,033,320.40
Step by Step Solution
- Step 1: Write the proportion equation
1,352,371.50 : 1,866,330.99 = 748,759.50 : x - Step 2: Convert to fraction form
1,352,371.50/1,866,330.99 = 748,759.50/x - Step 3: Cross multiply
1,352,371.50x = 1,866,330.99 × 748,759.50 - Step 4: Simplify right side
1,352,371.50x = 1,397,433,058,906.91 - Step 5: Solve for x
x = 1,397,433,058,906.91/1,352,371.50 - Step 6: Final answer
x = 1,033,320.40
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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.