Home / 1,239.98-1,861.18-944.73

Finding the Fourth Proportional to 1,239.98, 1,861.18 and 944.73

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Solution

The fourth proportional to 1,239.98, 1,861.18 and 944.73 is: 1,418.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239.98 : 1,861.18 = 944.73 : x
  2. Step 2: Convert to fraction form
    1,239.98/1,861.18 = 944.73/x
  3. Step 3: Cross multiply
    1,239.98x = 1,861.18 × 944.73
  4. Step 4: Simplify right side
    1,239.98x = 1,758,310.22
  5. Step 5: Solve for x
    x = 1,758,310.22/1,239.98
  6. Step 6: Final answer
    x = 1,418.02

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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.