Home / 1,356,776.38-1,872,355.12-744,968.78

Finding the Fourth Proportional to 1,356,776.38, 1,872,355.12 and 744,968.78

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Solution

The fourth proportional to 1,356,776.38, 1,872,355.12 and 744,968.78 is: 1,028,058.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,776.38 : 1,872,355.12 = 744,968.78 : x
  2. Step 2: Convert to fraction form
    1,356,776.38/1,872,355.12 = 744,968.78/x
  3. Step 3: Cross multiply
    1,356,776.38x = 1,872,355.12 × 744,968.78
  4. Step 4: Simplify right side
    1,356,776.38x = 1,394,846,109,473.15
  5. Step 5: Solve for x
    x = 1,394,846,109,473.15/1,356,776.38
  6. Step 6: Final answer
    x = 1,028,058.96

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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.