Home / 885,928.20-1,328,892.30-826,441.80

Finding the Fourth Proportional to 885,928.20, 1,328,892.30 and 826,441.80

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Solution

The fourth proportional to 885,928.20, 1,328,892.30 and 826,441.80 is: 1,239,662.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,928.20 : 1,328,892.30 = 826,441.80 : x
  2. Step 2: Convert to fraction form
    885,928.20/1,328,892.30 = 826,441.80/x
  3. Step 3: Cross multiply
    885,928.20x = 1,328,892.30 × 826,441.80
  4. Step 4: Simplify right side
    885,928.20x = 1,098,252,144,418.14
  5. Step 5: Solve for x
    x = 1,098,252,144,418.14/885,928.20
  6. Step 6: Final answer
    x = 1,239,662.70

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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.