Home / 1,378,398.50-2,067,598.20-568,771.10

Finding the Fourth Proportional to 1,378,398.50, 2,067,598.20 and 568,771.10

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Solution

The fourth proportional to 1,378,398.50, 2,067,598.20 and 568,771.10 is: 853,156.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,398.50 : 2,067,598.20 = 568,771.10 : x
  2. Step 2: Convert to fraction form
    1,378,398.50/2,067,598.20 = 568,771.10/x
  3. Step 3: Cross multiply
    1,378,398.50x = 2,067,598.20 × 568,771.10
  4. Step 4: Simplify right side
    1,378,398.50x = 1,175,990,102,120.41
  5. Step 5: Solve for x
    x = 1,175,990,102,120.41/1,378,398.50
  6. Step 6: Final answer
    x = 853,156.84

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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.