Home / 1,079.11-1,488.40-1,062.91

Finding the Fourth Proportional to 1,079.11, 1,488.40 and 1,062.91

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Solution

The fourth proportional to 1,079.11, 1,488.40 and 1,062.91 is: 1,466.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079.11 : 1,488.40 = 1,062.91 : x
  2. Step 2: Convert to fraction form
    1,079.11/1,488.40 = 1,062.91/x
  3. Step 3: Cross multiply
    1,079.11x = 1,488.40 × 1,062.91
  4. Step 4: Simplify right side
    1,079.11x = 1,582,035.24
  5. Step 5: Solve for x
    x = 1,582,035.24/1,079.11
  6. Step 6: Final answer
    x = 1,466.06

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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.