Home / 1,678,512.78-2,519,964.09-996,644.70

Finding the Fourth Proportional to 1,678,512.78, 2,519,964.09 and 996,644.70

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Solution

The fourth proportional to 1,678,512.78, 2,519,964.09 and 996,644.70 is: 1,496,270.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,512.78 : 2,519,964.09 = 996,644.70 : x
  2. Step 2: Convert to fraction form
    1,678,512.78/2,519,964.09 = 996,644.70/x
  3. Step 3: Cross multiply
    1,678,512.78x = 2,519,964.09 × 996,644.70
  4. Step 4: Simplify right side
    1,678,512.78x = 2,511,508,854,488.82
  5. Step 5: Solve for x
    x = 2,511,508,854,488.82/1,678,512.78
  6. Step 6: Final answer
    x = 1,496,270.32

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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.