Home / 1,160.70-1,739.79-574.89

Finding the Fourth Proportional to 1,160.70, 1,739.79 and 574.89

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Solution

The fourth proportional to 1,160.70, 1,739.79 and 574.89 is: 861.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160.70 : 1,739.79 = 574.89 : x
  2. Step 2: Convert to fraction form
    1,160.70/1,739.79 = 574.89/x
  3. Step 3: Cross multiply
    1,160.70x = 1,739.79 × 574.89
  4. Step 4: Simplify right side
    1,160.70x = 1,000,187.87
  5. Step 5: Solve for x
    x = 1,000,187.87/1,160.70
  6. Step 6: Final answer
    x = 861.71

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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.