Home / 1,060.07-1,462.40-687.17

Finding the Fourth Proportional to 1,060.07, 1,462.40 and 687.17

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Solution

The fourth proportional to 1,060.07, 1,462.40 and 687.17 is: 947.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.07 : 1,462.40 = 687.17 : x
  2. Step 2: Convert to fraction form
    1,060.07/1,462.40 = 687.17/x
  3. Step 3: Cross multiply
    1,060.07x = 1,462.40 × 687.17
  4. Step 4: Simplify right side
    1,060.07x = 1,004,906.66
  5. Step 5: Solve for x
    x = 1,004,906.66/1,060.07
  6. Step 6: Final answer
    x = 947.97

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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.