Home / 1,206,007.20-1,805,074.20-938,318.40

Finding the Fourth Proportional to 1,206,007.20, 1,805,074.20 and 938,318.40

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Solution

The fourth proportional to 1,206,007.20, 1,805,074.20 and 938,318.40 is: 1,404,414.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,007.20 : 1,805,074.20 = 938,318.40 : x
  2. Step 2: Convert to fraction form
    1,206,007.20/1,805,074.20 = 938,318.40/x
  3. Step 3: Cross multiply
    1,206,007.20x = 1,805,074.20 × 938,318.40
  4. Step 4: Simplify right side
    1,206,007.20x = 1,693,734,335,225.28
  5. Step 5: Solve for x
    x = 1,693,734,335,225.28/1,206,007.20
  6. Step 6: Final answer
    x = 1,404,414.78

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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.