Home / 1,219,757.85-1,829,498.31-321,269.90

Finding the Fourth Proportional to 1,219,757.85, 1,829,498.31 and 321,269.90

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Solution

The fourth proportional to 1,219,757.85, 1,829,498.31 and 321,269.90 is: 481,868.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,757.85 : 1,829,498.31 = 321,269.90 : x
  2. Step 2: Convert to fraction form
    1,219,757.85/1,829,498.31 = 321,269.90/x
  3. Step 3: Cross multiply
    1,219,757.85x = 1,829,498.31 × 321,269.90
  4. Step 4: Simplify right side
    1,219,757.85x = 587,762,729,956.38
  5. Step 5: Solve for x
    x = 587,762,729,956.38/1,219,757.85
  6. Step 6: Final answer
    x = 481,868.37

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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.