Home / 1,338,860.94-2,008,291.41-392,231.66

Finding the Fourth Proportional to 1,338,860.94, 2,008,291.41 and 392,231.66

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Solution

The fourth proportional to 1,338,860.94, 2,008,291.41 and 392,231.66 is: 588,347.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,860.94 : 2,008,291.41 = 392,231.66 : x
  2. Step 2: Convert to fraction form
    1,338,860.94/2,008,291.41 = 392,231.66/x
  3. Step 3: Cross multiply
    1,338,860.94x = 2,008,291.41 × 392,231.66
  4. Step 4: Simplify right side
    1,338,860.94x = 787,715,474,488.62
  5. Step 5: Solve for x
    x = 787,715,474,488.62/1,338,860.94
  6. Step 6: Final answer
    x = 588,347.49

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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.