Home / 838,299.80-1,257,449.70-667,057.70

Finding the Fourth Proportional to 838,299.80, 1,257,449.70 and 667,057.70

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Solution

The fourth proportional to 838,299.80, 1,257,449.70 and 667,057.70 is: 1,000,586.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,299.80 : 1,257,449.70 = 667,057.70 : x
  2. Step 2: Convert to fraction form
    838,299.80/1,257,449.70 = 667,057.70/x
  3. Step 3: Cross multiply
    838,299.80x = 1,257,449.70 × 667,057.70
  4. Step 4: Simplify right side
    838,299.80x = 838,791,504,747.69
  5. Step 5: Solve for x
    x = 838,791,504,747.69/838,299.80
  6. Step 6: Final answer
    x = 1,000,586.55

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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.