Finding the Fourth Proportional to 1,275,520.04, 1,760,217.48 and 702,560.21
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Solution
The fourth proportional to 1,275,520.04, 1,760,217.48 and 702,560.21 is: 969,532.99
Step by Step Solution
- Step 1: Write the proportion equation
1,275,520.04 : 1,760,217.48 = 702,560.21 : x - Step 2: Convert to fraction form
1,275,520.04/1,760,217.48 = 702,560.21/x - Step 3: Cross multiply
1,275,520.04x = 1,760,217.48 × 702,560.21 - Step 4: Simplify right side
1,275,520.04x = 1,236,658,753,593.38 - Step 5: Solve for x
x = 1,236,658,753,593.38/1,275,520.04 - Step 6: Final answer
x = 969,532.99
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1.5x scale
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.