Home / 1,338,981.80-2,008,767.96-440,387.24

Finding the Fourth Proportional to 1,338,981.80, 2,008,767.96 and 440,387.24

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Solution

The fourth proportional to 1,338,981.80, 2,008,767.96 and 440,387.24 is: 660,677.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,981.80 : 2,008,767.96 = 440,387.24 : x
  2. Step 2: Convert to fraction form
    1,338,981.80/2,008,767.96 = 440,387.24/x
  3. Step 3: Cross multiply
    1,338,981.80x = 2,008,767.96 × 440,387.24
  4. Step 4: Simplify right side
    1,338,981.80x = 884,635,777,704.83
  5. Step 5: Solve for x
    x = 884,635,777,704.83/1,338,981.80
  6. Step 6: Final answer
    x = 660,677.97

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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.