Home / 1,226.44-1,839.30-1,009.48

Finding the Fourth Proportional to 1,226.44, 1,839.30 and 1,009.48

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Solution

The fourth proportional to 1,226.44, 1,839.30 and 1,009.48 is: 1,513.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226.44 : 1,839.30 = 1,009.48 : x
  2. Step 2: Convert to fraction form
    1,226.44/1,839.30 = 1,009.48/x
  3. Step 3: Cross multiply
    1,226.44x = 1,839.30 × 1,009.48
  4. Step 4: Simplify right side
    1,226.44x = 1,856,736.56
  5. Step 5: Solve for x
    x = 1,856,736.56/1,226.44
  6. Step 6: Final answer
    x = 1,513.92

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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.