Home / 1,511,721.44-2,086,175.40-832,657.94

Finding the Fourth Proportional to 1,511,721.44, 2,086,175.40 and 832,657.94

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Solution

The fourth proportional to 1,511,721.44, 2,086,175.40 and 832,657.94 is: 1,149,067.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,721.44 : 2,086,175.40 = 832,657.94 : x
  2. Step 2: Convert to fraction form
    1,511,721.44/2,086,175.40 = 832,657.94/x
  3. Step 3: Cross multiply
    1,511,721.44x = 2,086,175.40 × 832,657.94
  4. Step 4: Simplify right side
    1,511,721.44x = 1,737,070,511,042.68
  5. Step 5: Solve for x
    x = 1,737,070,511,042.68/1,511,721.44
  6. Step 6: Final answer
    x = 1,149,067.85

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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.