Home / 1,226.06-1,839.35-404.29

Finding the Fourth Proportional to 1,226.06, 1,839.35 and 404.29

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Solution

The fourth proportional to 1,226.06, 1,839.35 and 404.29 is: 606.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226.06 : 1,839.35 = 404.29 : x
  2. Step 2: Convert to fraction form
    1,226.06/1,839.35 = 404.29/x
  3. Step 3: Cross multiply
    1,226.06x = 1,839.35 × 404.29
  4. Step 4: Simplify right side
    1,226.06x = 743,619.59
  5. Step 5: Solve for x
    x = 743,619.59/1,226.06
  6. Step 6: Final answer
    x = 606.51

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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.