Home / 1,367,067.40-2,050,797.20-420,517.96

Finding the Fourth Proportional to 1,367,067.40, 2,050,797.20 and 420,517.96

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Solution

The fourth proportional to 1,367,067.40, 2,050,797.20 and 420,517.96 is: 630,837.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,067.40 : 2,050,797.20 = 420,517.96 : x
  2. Step 2: Convert to fraction form
    1,367,067.40/2,050,797.20 = 420,517.96/x
  3. Step 3: Cross multiply
    1,367,067.40x = 2,050,797.20 × 420,517.96
  4. Step 4: Simplify right side
    1,367,067.40x = 862,397,054,917.71
  5. Step 5: Solve for x
    x = 862,397,054,917.71/1,367,067.40
  6. Step 6: Final answer
    x = 630,837.26

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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.