Home / 672,068.20-1,008,102.30-667,402.60

Finding the Fourth Proportional to 672,068.20, 1,008,102.30 and 667,402.60

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Solution

The fourth proportional to 672,068.20, 1,008,102.30 and 667,402.60 is: 1,001,103.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,068.20 : 1,008,102.30 = 667,402.60 : x
  2. Step 2: Convert to fraction form
    672,068.20/1,008,102.30 = 667,402.60/x
  3. Step 3: Cross multiply
    672,068.20x = 1,008,102.30 × 667,402.60
  4. Step 4: Simplify right side
    672,068.20x = 672,810,096,085.98
  5. Step 5: Solve for x
    x = 672,810,096,085.98/672,068.20
  6. Step 6: Final answer
    x = 1,001,103.90

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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.