Home / 1,356,630.04-1,872,171.42-744,839.20

Finding the Fourth Proportional to 1,356,630.04, 1,872,171.42 and 744,839.20

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Solution

The fourth proportional to 1,356,630.04, 1,872,171.42 and 744,839.20 is: 1,027,890.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,630.04 : 1,872,171.42 = 744,839.20 : x
  2. Step 2: Convert to fraction form
    1,356,630.04/1,872,171.42 = 744,839.20/x
  3. Step 3: Cross multiply
    1,356,630.04x = 1,872,171.42 × 744,839.20
  4. Step 4: Simplify right side
    1,356,630.04x = 1,394,466,662,735.66
  5. Step 5: Solve for x
    x = 1,394,466,662,735.66/1,356,630.04
  6. Step 6: Final answer
    x = 1,027,890.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.