Finding the Fourth Proportional to 1,252,399.26, 1,728,257.95 and 708,544.31
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Solution
The fourth proportional to 1,252,399.26, 1,728,257.95 and 708,544.31 is: 977,761.14
Step by Step Solution
- Step 1: Write the proportion equation
1,252,399.26 : 1,728,257.95 = 708,544.31 : x - Step 2: Convert to fraction form
1,252,399.26/1,728,257.95 = 708,544.31/x - Step 3: Cross multiply
1,252,399.26x = 1,728,257.95 × 708,544.31 - Step 4: Simplify right side
1,252,399.26x = 1,224,547,328,929.16 - Step 5: Solve for x
x = 1,224,547,328,929.16/1,252,399.26 - Step 6: Final answer
x = 977,761.14
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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.