Home / 885,863.70-1,325,296.35-768,834.90

Finding the Fourth Proportional to 885,863.70, 1,325,296.35 and 768,834.90

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Solution

The fourth proportional to 885,863.70, 1,325,296.35 and 768,834.90 is: 1,150,215.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,863.70 : 1,325,296.35 = 768,834.90 : x
  2. Step 2: Convert to fraction form
    885,863.70/1,325,296.35 = 768,834.90/x
  3. Step 3: Cross multiply
    885,863.70x = 1,325,296.35 × 768,834.90
  4. Step 4: Simplify right side
    885,863.70x = 1,018,934,086,722.62
  5. Step 5: Solve for x
    x = 1,018,934,086,722.62/885,863.70
  6. Step 6: Final answer
    x = 1,150,215.42

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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.