Home / 1,226.54-1,839.87-404.66

Finding the Fourth Proportional to 1,226.54, 1,839.87 and 404.66

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Solution

The fourth proportional to 1,226.54, 1,839.87 and 404.66 is: 607.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226.54 : 1,839.87 = 404.66 : x
  2. Step 2: Convert to fraction form
    1,226.54/1,839.87 = 404.66/x
  3. Step 3: Cross multiply
    1,226.54x = 1,839.87 × 404.66
  4. Step 4: Simplify right side
    1,226.54x = 744,521.79
  5. Step 5: Solve for x
    x = 744,521.79/1,226.54
  6. Step 6: Final answer
    x = 607.01

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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.