Home / 1,015,164.74-1,522,757.64-408,233.90

Finding the Fourth Proportional to 1,015,164.74, 1,522,757.64 and 408,233.90

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Solution

The fourth proportional to 1,015,164.74, 1,522,757.64 and 408,233.90 is: 612,355.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,164.74 : 1,522,757.64 = 408,233.90 : x
  2. Step 2: Convert to fraction form
    1,015,164.74/1,522,757.64 = 408,233.90/x
  3. Step 3: Cross multiply
    1,015,164.74x = 1,522,757.64 × 408,233.90
  4. Step 4: Simplify right side
    1,015,164.74x = 621,641,290,132.00
  5. Step 5: Solve for x
    x = 621,641,290,132.00/1,015,164.74
  6. Step 6: Final answer
    x = 612,355.08

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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.