Home / 1,338,906.91-2,007,933.87-440,141.49

Finding the Fourth Proportional to 1,338,906.91, 2,007,933.87 and 440,141.49

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Solution

The fourth proportional to 1,338,906.91, 2,007,933.87 and 440,141.49 is: 660,072.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,906.91 : 2,007,933.87 = 440,141.49 : x
  2. Step 2: Convert to fraction form
    1,338,906.91/2,007,933.87 = 440,141.49/x
  3. Step 3: Cross multiply
    1,338,906.91x = 2,007,933.87 × 440,141.49
  4. Step 4: Simplify right side
    1,338,906.91x = 883,775,005,363.27
  5. Step 5: Solve for x
    x = 883,775,005,363.27/1,338,906.91
  6. Step 6: Final answer
    x = 660,072.03

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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.