Finding the Fourth Proportional to 1,029,937.20, 1,421,028.21 and 594,324.23
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Solution
The fourth proportional to 1,029,937.20, 1,421,028.21 and 594,324.23 is: 820,002.90
Step by Step Solution
- Step 1: Write the proportion equation
1,029,937.20 : 1,421,028.21 = 594,324.23 : x - Step 2: Convert to fraction form
1,029,937.20/1,421,028.21 = 594,324.23/x - Step 3: Cross multiply
1,029,937.20x = 1,421,028.21 × 594,324.23 - Step 4: Simplify right side
1,029,937.20x = 844,551,489,611.39 - Step 5: Solve for x
x = 844,551,489,611.39/1,029,937.20 - Step 6: Final answer
x = 820,002.90
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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.