Home / 1,121,273.92-1,682,132.43-411,308.11

Finding the Fourth Proportional to 1,121,273.92, 1,682,132.43 and 411,308.11

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Solution

The fourth proportional to 1,121,273.92, 1,682,132.43 and 411,308.11 is: 617,043.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,273.92 : 1,682,132.43 = 411,308.11 : x
  2. Step 2: Convert to fraction form
    1,121,273.92/1,682,132.43 = 411,308.11/x
  3. Step 3: Cross multiply
    1,121,273.92x = 1,682,132.43 × 411,308.11
  4. Step 4: Simplify right side
    1,121,273.92x = 691,874,710,553.01
  5. Step 5: Solve for x
    x = 691,874,710,553.01/1,121,273.92
  6. Step 6: Final answer
    x = 617,043.43

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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.