Home / 1,002,850.35-1,383,224.90-621,000.15

Finding the Fourth Proportional to 1,002,850.35, 1,383,224.90 and 621,000.15

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Solution

The fourth proportional to 1,002,850.35, 1,383,224.90 and 621,000.15 is: 856,541.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,850.35 : 1,383,224.90 = 621,000.15 : x
  2. Step 2: Convert to fraction form
    1,002,850.35/1,383,224.90 = 621,000.15/x
  3. Step 3: Cross multiply
    1,002,850.35x = 1,383,224.90 × 621,000.15
  4. Step 4: Simplify right side
    1,002,850.35x = 858,982,867,278.73
  5. Step 5: Solve for x
    x = 858,982,867,278.73/1,002,850.35
  6. Step 6: Final answer
    x = 856,541.42

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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.