Home / 1,119.24-1,677.60-502.02

Finding the Fourth Proportional to 1,119.24, 1,677.60 and 502.02

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Solution

The fourth proportional to 1,119.24, 1,677.60 and 502.02 is: 752.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119.24 : 1,677.60 = 502.02 : x
  2. Step 2: Convert to fraction form
    1,119.24/1,677.60 = 502.02/x
  3. Step 3: Cross multiply
    1,119.24x = 1,677.60 × 502.02
  4. Step 4: Simplify right side
    1,119.24x = 842,188.75
  5. Step 5: Solve for x
    x = 842,188.75/1,119.24
  6. Step 6: Final answer
    x = 752.46

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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.