Finding the Fourth Proportional to 1,248,721.24, 1,723,239.60 and 675,761.26
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Solution
The fourth proportional to 1,248,721.24, 1,723,239.60 and 675,761.26 is: 932,552.86
Step by Step Solution
- Step 1: Write the proportion equation
1,248,721.24 : 1,723,239.60 = 675,761.26 : x - Step 2: Convert to fraction form
1,248,721.24/1,723,239.60 = 675,761.26/x - Step 3: Cross multiply
1,248,721.24x = 1,723,239.60 × 675,761.26 - Step 4: Simplify right side
1,248,721.24x = 1,164,498,563,377.90 - Step 5: Solve for x
x = 1,164,498,563,377.90/1,248,721.24 - Step 6: Final answer
x = 932,552.86
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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.