Home / 1,155,324.62-1,732,319.87-356,391.66

Finding the Fourth Proportional to 1,155,324.62, 1,732,319.87 and 356,391.66

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Solution

The fourth proportional to 1,155,324.62, 1,732,319.87 and 356,391.66 is: 534,381.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,324.62 : 1,732,319.87 = 356,391.66 : x
  2. Step 2: Convert to fraction form
    1,155,324.62/1,732,319.87 = 356,391.66/x
  3. Step 3: Cross multiply
    1,155,324.62x = 1,732,319.87 × 356,391.66
  4. Step 4: Simplify right side
    1,155,324.62x = 617,384,354,120.28
  5. Step 5: Solve for x
    x = 617,384,354,120.28/1,155,324.62
  6. Step 6: Final answer
    x = 534,381.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.