Home / 1,040,147.10-1,560,220.65-921,951.90

Finding the Fourth Proportional to 1,040,147.10, 1,560,220.65 and 921,951.90

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Solution

The fourth proportional to 1,040,147.10, 1,560,220.65 and 921,951.90 is: 1,382,927.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,147.10 : 1,560,220.65 = 921,951.90 : x
  2. Step 2: Convert to fraction form
    1,040,147.10/1,560,220.65 = 921,951.90/x
  3. Step 3: Cross multiply
    1,040,147.10x = 1,560,220.65 × 921,951.90
  4. Step 4: Simplify right side
    1,040,147.10x = 1,438,448,392,686.74
  5. Step 5: Solve for x
    x = 1,438,448,392,686.74/1,040,147.10
  6. Step 6: Final answer
    x = 1,382,927.85

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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.