Home / 1,190.66-1,786.38-574.04

Finding the Fourth Proportional to 1,190.66, 1,786.38 and 574.04

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Solution

The fourth proportional to 1,190.66, 1,786.38 and 574.04 is: 861.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190.66 : 1,786.38 = 574.04 : x
  2. Step 2: Convert to fraction form
    1,190.66/1,786.38 = 574.04/x
  3. Step 3: Cross multiply
    1,190.66x = 1,786.38 × 574.04
  4. Step 4: Simplify right side
    1,190.66x = 1,025,453.58
  5. Step 5: Solve for x
    x = 1,025,453.58/1,190.66
  6. Step 6: Final answer
    x = 861.25

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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.