Home / 1,000,418.62-1,380,578.50-541,531.78

Finding the Fourth Proportional to 1,000,418.62, 1,380,578.50 and 541,531.78

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Solution

The fourth proportional to 1,000,418.62, 1,380,578.50 and 541,531.78 is: 747,314.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,418.62 : 1,380,578.50 = 541,531.78 : x
  2. Step 2: Convert to fraction form
    1,000,418.62/1,380,578.50 = 541,531.78/x
  3. Step 3: Cross multiply
    1,000,418.62x = 1,380,578.50 × 541,531.78
  4. Step 4: Simplify right side
    1,000,418.62x = 747,627,131,283.26
  5. Step 5: Solve for x
    x = 747,627,131,283.26/1,000,418.62
  6. Step 6: Final answer
    x = 747,314.29

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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.