Finding the Fourth Proportional to 1,293,491.24, 1,785,073.14 and 720,531.80
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Solution
The fourth proportional to 1,293,491.24, 1,785,073.14 and 720,531.80 is: 994,364.65
Step by Step Solution
- Step 1: Write the proportion equation
1,293,491.24 : 1,785,073.14 = 720,531.80 : x - Step 2: Convert to fraction form
1,293,491.24/1,785,073.14 = 720,531.80/x - Step 3: Cross multiply
1,293,491.24x = 1,785,073.14 × 720,531.80 - Step 4: Simplify right side
1,293,491.24x = 1,286,201,962,695.85 - Step 5: Solve for x
x = 1,286,201,962,695.85/1,293,491.24 - Step 6: Final answer
x = 994,364.65
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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.