Home / 1,040,234.30-1,560,351.45-639,575.90

Finding the Fourth Proportional to 1,040,234.30, 1,560,351.45 and 639,575.90

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Solution

The fourth proportional to 1,040,234.30, 1,560,351.45 and 639,575.90 is: 959,363.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,234.30 : 1,560,351.45 = 639,575.90 : x
  2. Step 2: Convert to fraction form
    1,040,234.30/1,560,351.45 = 639,575.90/x
  3. Step 3: Cross multiply
    1,040,234.30x = 1,560,351.45 × 639,575.90
  4. Step 4: Simplify right side
    1,040,234.30x = 997,963,182,950.06
  5. Step 5: Solve for x
    x = 997,963,182,950.06/1,040,234.30
  6. Step 6: Final answer
    x = 959,363.85

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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.