Home / 1,263.14-1,892.60-440.96

Finding the Fourth Proportional to 1,263.14, 1,892.60 and 440.96

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Solution

The fourth proportional to 1,263.14, 1,892.60 and 440.96 is: 660.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263.14 : 1,892.60 = 440.96 : x
  2. Step 2: Convert to fraction form
    1,263.14/1,892.60 = 440.96/x
  3. Step 3: Cross multiply
    1,263.14x = 1,892.60 × 440.96
  4. Step 4: Simplify right side
    1,263.14x = 834,549.23
  5. Step 5: Solve for x
    x = 834,549.23/1,263.14
  6. Step 6: Final answer
    x = 660.70

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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.