Home / 1,295,121.76-1,944,372.08-870,559.44

Finding the Fourth Proportional to 1,295,121.76, 1,944,372.08 and 870,559.44

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Solution

The fourth proportional to 1,295,121.76, 1,944,372.08 and 870,559.44 is: 1,306,974.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,121.76 : 1,944,372.08 = 870,559.44 : x
  2. Step 2: Convert to fraction form
    1,295,121.76/1,944,372.08 = 870,559.44/x
  3. Step 3: Cross multiply
    1,295,121.76x = 1,944,372.08 × 870,559.44
  4. Step 4: Simplify right side
    1,295,121.76x = 1,692,691,469,116.44
  5. Step 5: Solve for x
    x = 1,692,691,469,116.44/1,295,121.76
  6. Step 6: Final answer
    x = 1,306,974.77

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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.