Home / 1,226.92-1,839.58-446.44

Finding the Fourth Proportional to 1,226.92, 1,839.58 and 446.44

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Solution

The fourth proportional to 1,226.92, 1,839.58 and 446.44 is: 669.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226.92 : 1,839.58 = 446.44 : x
  2. Step 2: Convert to fraction form
    1,226.92/1,839.58 = 446.44/x
  3. Step 3: Cross multiply
    1,226.92x = 1,839.58 × 446.44
  4. Step 4: Simplify right side
    1,226.92x = 821,262.10
  5. Step 5: Solve for x
    x = 821,262.10/1,226.92
  6. Step 6: Final answer
    x = 669.37

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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.