Home / 1,134.26-1,565.36-630.14

Finding the Fourth Proportional to 1,134.26, 1,565.36 and 630.14

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Solution

The fourth proportional to 1,134.26, 1,565.36 and 630.14 is: 869.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134.26 : 1,565.36 = 630.14 : x
  2. Step 2: Convert to fraction form
    1,134.26/1,565.36 = 630.14/x
  3. Step 3: Cross multiply
    1,134.26x = 1,565.36 × 630.14
  4. Step 4: Simplify right side
    1,134.26x = 986,395.95
  5. Step 5: Solve for x
    x = 986,395.95/1,134.26
  6. Step 6: Final answer
    x = 869.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.