Home / 876,166.20-1,314,249.30-787,519.80

Finding the Fourth Proportional to 876,166.20, 1,314,249.30 and 787,519.80

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Solution

The fourth proportional to 876,166.20, 1,314,249.30 and 787,519.80 is: 1,181,279.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,166.20 : 1,314,249.30 = 787,519.80 : x
  2. Step 2: Convert to fraction form
    876,166.20/1,314,249.30 = 787,519.80/x
  3. Step 3: Cross multiply
    876,166.20x = 1,314,249.30 × 787,519.80
  4. Step 4: Simplify right side
    876,166.20x = 1,034,997,345,886.14
  5. Step 5: Solve for x
    x = 1,034,997,345,886.14/876,166.20
  6. Step 6: Final answer
    x = 1,181,279.70

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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.