Home / 1,520,254.20-2,278,538.10-677,911.80

Finding the Fourth Proportional to 1,520,254.20, 2,278,538.10 and 677,911.80

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Solution

The fourth proportional to 1,520,254.20, 2,278,538.10 and 677,911.80 is: 1,016,045.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,254.20 : 2,278,538.10 = 677,911.80 : x
  2. Step 2: Convert to fraction form
    1,520,254.20/2,278,538.10 = 677,911.80/x
  3. Step 3: Cross multiply
    1,520,254.20x = 2,278,538.10 × 677,911.80
  4. Step 4: Simplify right side
    1,520,254.20x = 1,544,647,864,739.58
  5. Step 5: Solve for x
    x = 1,544,647,864,739.58/1,520,254.20
  6. Step 6: Final answer
    x = 1,016,045.78

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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.