Home / 1,371,876.88-2,057,921.79-412,257.58

Finding the Fourth Proportional to 1,371,876.88, 2,057,921.79 and 412,257.58

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Solution

The fourth proportional to 1,371,876.88, 2,057,921.79 and 412,257.58 is: 618,418.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,876.88 : 2,057,921.79 = 412,257.58 : x
  2. Step 2: Convert to fraction form
    1,371,876.88/2,057,921.79 = 412,257.58/x
  3. Step 3: Cross multiply
    1,371,876.88x = 2,057,921.79 × 412,257.58
  4. Step 4: Simplify right side
    1,371,876.88x = 848,393,856,974.67
  5. Step 5: Solve for x
    x = 848,393,856,974.67/1,371,876.88
  6. Step 6: Final answer
    x = 618,418.36

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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.