Finding the Fourth Proportional to 1,192,761.24, 1,645,972.98 and 648,883.08
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Solution
The fourth proportional to 1,192,761.24, 1,645,972.98 and 648,883.08 is: 895,438.23
Step by Step Solution
- Step 1: Write the proportion equation
1,192,761.24 : 1,645,972.98 = 648,883.08 : x - Step 2: Convert to fraction form
1,192,761.24/1,645,972.98 = 648,883.08/x - Step 3: Cross multiply
1,192,761.24x = 1,645,972.98 × 648,883.08 - Step 4: Simplify right side
1,192,761.24x = 1,068,044,016,859.18 - Step 5: Solve for x
x = 1,068,044,016,859.18/1,192,761.24 - Step 6: Final answer
x = 895,438.23
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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.