Home / 1,226,169.62-1,839,264.75-427,449.68

Finding the Fourth Proportional to 1,226,169.62, 1,839,264.75 and 427,449.68

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Solution

The fourth proportional to 1,226,169.62, 1,839,264.75 and 427,449.68 is: 641,178.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,169.62 : 1,839,264.75 = 427,449.68 : x
  2. Step 2: Convert to fraction form
    1,226,169.62/1,839,264.75 = 427,449.68/x
  3. Step 3: Cross multiply
    1,226,169.62x = 1,839,264.75 × 427,449.68
  4. Step 4: Simplify right side
    1,226,169.62x = 786,193,119,626.46
  5. Step 5: Solve for x
    x = 786,193,119,626.46/1,226,169.62
  6. Step 6: Final answer
    x = 641,178.11

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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.