Home / 1,907,456.75-2,861,177.83-487,510.55

Finding the Fourth Proportional to 1,907,456.75, 2,861,177.83 and 487,510.55

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Solution

The fourth proportional to 1,907,456.75, 2,861,177.83 and 487,510.55 is: 731,263.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907,456.75 : 2,861,177.83 = 487,510.55 : x
  2. Step 2: Convert to fraction form
    1,907,456.75/2,861,177.83 = 487,510.55/x
  3. Step 3: Cross multiply
    1,907,456.75x = 2,861,177.83 × 487,510.55
  4. Step 4: Simplify right side
    1,907,456.75x = 1,394,854,375,498.10
  5. Step 5: Solve for x
    x = 1,394,854,375,498.10/1,907,456.75
  6. Step 6: Final answer
    x = 731,263.96

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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.