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Finding the Fourth Proportional to 1,250.60, 1,725.14 and 1,014.81

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Solution

The fourth proportional to 1,250.60, 1,725.14 and 1,014.81 is: 1,399.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250.60 : 1,725.14 = 1,014.81 : x
  2. Step 2: Convert to fraction form
    1,250.60/1,725.14 = 1,014.81/x
  3. Step 3: Cross multiply
    1,250.60x = 1,725.14 × 1,014.81
  4. Step 4: Simplify right side
    1,250.60x = 1,750,684.25
  5. Step 5: Solve for x
    x = 1,750,684.25/1,250.60
  6. Step 6: Final answer
    x = 1,399.88

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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.