Home / 1,104,819.70-1,657,229.55-394,870.90

Finding the Fourth Proportional to 1,104,819.70, 1,657,229.55 and 394,870.90

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Solution

The fourth proportional to 1,104,819.70, 1,657,229.55 and 394,870.90 is: 592,306.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,819.70 : 1,657,229.55 = 394,870.90 : x
  2. Step 2: Convert to fraction form
    1,104,819.70/1,657,229.55 = 394,870.90/x
  3. Step 3: Cross multiply
    1,104,819.70x = 1,657,229.55 × 394,870.90
  4. Step 4: Simplify right side
    1,104,819.70x = 654,391,723,915.10
  5. Step 5: Solve for x
    x = 654,391,723,915.10/1,104,819.70
  6. Step 6: Final answer
    x = 592,306.35

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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.