Home / 1,378,399.50-2,067,599.70-568,772.10

Finding the Fourth Proportional to 1,378,399.50, 2,067,599.70 and 568,772.10

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Solution

The fourth proportional to 1,378,399.50, 2,067,599.70 and 568,772.10 is: 853,158.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,399.50 : 2,067,599.70 = 568,772.10 : x
  2. Step 2: Convert to fraction form
    1,378,399.50/2,067,599.70 = 568,772.10/x
  3. Step 3: Cross multiply
    1,378,399.50x = 2,067,599.70 × 568,772.10
  4. Step 4: Simplify right side
    1,378,399.50x = 1,175,993,023,328.37
  5. Step 5: Solve for x
    x = 1,175,993,023,328.37/1,378,399.50
  6. Step 6: Final answer
    x = 853,158.34

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1.5x scale

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.