Home / 1,378,556.32-2,068,164.96-667,753.60

Finding the Fourth Proportional to 1,378,556.32, 2,068,164.96 and 667,753.60

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Solution

The fourth proportional to 1,378,556.32, 2,068,164.96 and 667,753.60 is: 1,001,790.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,556.32 : 2,068,164.96 = 667,753.60 : x
  2. Step 2: Convert to fraction form
    1,378,556.32/2,068,164.96 = 667,753.60/x
  3. Step 3: Cross multiply
    1,378,556.32x = 2,068,164.96 × 667,753.60
  4. Step 4: Simplify right side
    1,378,556.32x = 1,381,024,597,433.86
  5. Step 5: Solve for x
    x = 1,381,024,597,433.86/1,378,556.32
  6. Step 6: Final answer
    x = 1,001,790.48

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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.