Home / 1,222,919.62-1,832,381.96-743,294.12

Finding the Fourth Proportional to 1,222,919.62, 1,832,381.96 and 743,294.12

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Solution

The fourth proportional to 1,222,919.62, 1,832,381.96 and 743,294.12 is: 1,113,727.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,919.62 : 1,832,381.96 = 743,294.12 : x
  2. Step 2: Convert to fraction form
    1,222,919.62/1,832,381.96 = 743,294.12/x
  3. Step 3: Cross multiply
    1,222,919.62x = 1,832,381.96 × 743,294.12
  4. Step 4: Simplify right side
    1,222,919.62x = 1,361,998,723,583.69
  5. Step 5: Solve for x
    x = 1,361,998,723,583.69/1,222,919.62
  6. Step 6: Final answer
    x = 1,113,727.10

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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.