Home / 1,115.19-1,670.27-594.27

Finding the Fourth Proportional to 1,115.19, 1,670.27 and 594.27

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Solution

The fourth proportional to 1,115.19, 1,670.27 and 594.27 is: 890.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115.19 : 1,670.27 = 594.27 : x
  2. Step 2: Convert to fraction form
    1,115.19/1,670.27 = 594.27/x
  3. Step 3: Cross multiply
    1,115.19x = 1,670.27 × 594.27
  4. Step 4: Simplify right side
    1,115.19x = 992,588.38
  5. Step 5: Solve for x
    x = 992,588.38/1,115.19
  6. Step 6: Final answer
    x = 890.06

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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.