Home / 1,511,801.82-2,086,286.62-832,738.32

Finding the Fourth Proportional to 1,511,801.82, 2,086,286.62 and 832,738.32

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Solution

The fourth proportional to 1,511,801.82, 2,086,286.62 and 832,738.32 is: 1,149,178.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,801.82 : 2,086,286.62 = 832,738.32 : x
  2. Step 2: Convert to fraction form
    1,511,801.82/2,086,286.62 = 832,738.32/x
  3. Step 3: Cross multiply
    1,511,801.82x = 2,086,286.62 × 832,738.32
  4. Step 4: Simplify right side
    1,511,801.82x = 1,737,330,814,977.28
  5. Step 5: Solve for x
    x = 1,737,330,814,977.28/1,511,801.82
  6. Step 6: Final answer
    x = 1,149,178.94

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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.