Home / 1,553,704.82-2,144,079.66-865,374.56

Finding the Fourth Proportional to 1,553,704.82, 2,144,079.66 and 865,374.56

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Solution

The fourth proportional to 1,553,704.82, 2,144,079.66 and 865,374.56 is: 1,194,198.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,704.82 : 2,144,079.66 = 865,374.56 : x
  2. Step 2: Convert to fraction form
    1,553,704.82/2,144,079.66 = 865,374.56/x
  3. Step 3: Cross multiply
    1,553,704.82x = 2,144,079.66 × 865,374.56
  4. Step 4: Simplify right side
    1,553,704.82x = 1,855,431,992,377.45
  5. Step 5: Solve for x
    x = 1,855,431,992,377.45/1,553,704.82
  6. Step 6: Final answer
    x = 1,194,198.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.