Home / 1,356,719.75-1,872,325.91-744,898.30

Finding the Fourth Proportional to 1,356,719.75, 1,872,325.91 and 744,898.30

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Solution

The fourth proportional to 1,356,719.75, 1,872,325.91 and 744,898.30 is: 1,027,988.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,719.75 : 1,872,325.91 = 744,898.30 : x
  2. Step 2: Convert to fraction form
    1,356,719.75/1,872,325.91 = 744,898.30/x
  3. Step 3: Cross multiply
    1,356,719.75x = 1,872,325.91 × 744,898.30
  4. Step 4: Simplify right side
    1,356,719.75x = 1,394,692,387,404.95
  5. Step 5: Solve for x
    x = 1,394,692,387,404.95/1,356,719.75
  6. Step 6: Final answer
    x = 1,027,988.56

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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.