Home / 1,338,334.68-2,007,842.22-378,789.24

Finding the Fourth Proportional to 1,338,334.68, 2,007,842.22 and 378,789.24

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Solution

The fourth proportional to 1,338,334.68, 2,007,842.22 and 378,789.24 is: 568,280.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,334.68 : 2,007,842.22 = 378,789.24 : x
  2. Step 2: Convert to fraction form
    1,338,334.68/2,007,842.22 = 378,789.24/x
  3. Step 3: Cross multiply
    1,338,334.68x = 2,007,842.22 × 378,789.24
  4. Step 4: Simplify right side
    1,338,334.68x = 760,549,028,553.71
  5. Step 5: Solve for x
    x = 760,549,028,553.71/1,338,334.68
  6. Step 6: Final answer
    x = 568,280.15

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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.