Home / 1,195.00-1,789.64-576.72

Finding the Fourth Proportional to 1,195.00, 1,789.64 and 576.72

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Solution

The fourth proportional to 1,195.00, 1,789.64 and 576.72 is: 863.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195.00 : 1,789.64 = 576.72 : x
  2. Step 2: Convert to fraction form
    1,195.00/1,789.64 = 576.72/x
  3. Step 3: Cross multiply
    1,195.00x = 1,789.64 × 576.72
  4. Step 4: Simplify right side
    1,195.00x = 1,032,123.70
  5. Step 5: Solve for x
    x = 1,032,123.70/1,195.00
  6. Step 6: Final answer
    x = 863.70

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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.