Finding the Fourth Proportional to 1,029,721.11, 1,420,721.39 and 594,103.98
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Solution
The fourth proportional to 1,029,721.11, 1,420,721.39 and 594,103.98 is: 819,694.01
Step by Step Solution
- Step 1: Write the proportion equation
1,029,721.11 : 1,420,721.39 = 594,103.98 : x - Step 2: Convert to fraction form
1,029,721.11/1,420,721.39 = 594,103.98/x - Step 3: Cross multiply
1,029,721.11x = 1,420,721.39 × 594,103.98 - Step 4: Simplify right side
1,029,721.11x = 844,056,229,299.61 - Step 5: Solve for x
x = 844,056,229,299.61/1,029,721.11 - Step 6: Final answer
x = 819,694.01
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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.