Home / 1,040,232.30-1,560,348.45-639,573.90

Finding the Fourth Proportional to 1,040,232.30, 1,560,348.45 and 639,573.90

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Solution

The fourth proportional to 1,040,232.30, 1,560,348.45 and 639,573.90 is: 959,360.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,232.30 : 1,560,348.45 = 639,573.90 : x
  2. Step 2: Convert to fraction form
    1,040,232.30/1,560,348.45 = 639,573.90/x
  3. Step 3: Cross multiply
    1,040,232.30x = 1,560,348.45 × 639,573.90
  4. Step 4: Simplify right side
    1,040,232.30x = 997,958,143,525.46
  5. Step 5: Solve for x
    x = 997,958,143,525.46/1,040,232.30
  6. Step 6: Final answer
    x = 959,360.85

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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.