Home / 2,560,519.68-3,840,780.80-667,256.32

Finding the Fourth Proportional to 2,560,519.68, 3,840,780.80 and 667,256.32

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Solution

The fourth proportional to 2,560,519.68, 3,840,780.80 and 667,256.32 is: 1,000,884.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,560,519.68 : 3,840,780.80 = 667,256.32 : x
  2. Step 2: Convert to fraction form
    2,560,519.68/3,840,780.80 = 667,256.32/x
  3. Step 3: Cross multiply
    2,560,519.68x = 3,840,780.80 × 667,256.32
  4. Step 4: Simplify right side
    2,560,519.68x = 2,562,785,262,534.66
  5. Step 5: Solve for x
    x = 2,562,785,262,534.66/2,560,519.68
  6. Step 6: Final answer
    x = 1,000,884.81

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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.