Home / 1,378,499.28-2,067,847.78-367,615.92

Finding the Fourth Proportional to 1,378,499.28, 2,067,847.78 and 367,615.92

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Solution

The fourth proportional to 1,378,499.28, 2,067,847.78 and 367,615.92 is: 551,450.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,499.28 : 2,067,847.78 = 367,615.92 : x
  2. Step 2: Convert to fraction form
    1,378,499.28/2,067,847.78 = 367,615.92/x
  3. Step 3: Cross multiply
    1,378,499.28x = 2,067,847.78 × 367,615.92
  4. Step 4: Simplify right side
    1,378,499.28x = 760,173,764,064.66
  5. Step 5: Solve for x
    x = 760,173,764,064.66/1,378,499.28
  6. Step 6: Final answer
    x = 551,450.24

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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.