Home / 1,338,443.82-1,846,857.65-765,373.28

Finding the Fourth Proportional to 1,338,443.82, 1,846,857.65 and 765,373.28

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Solution

The fourth proportional to 1,338,443.82, 1,846,857.65 and 765,373.28 is: 1,056,103.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,443.82 : 1,846,857.65 = 765,373.28 : x
  2. Step 2: Convert to fraction form
    1,338,443.82/1,846,857.65 = 765,373.28/x
  3. Step 3: Cross multiply
    1,338,443.82x = 1,846,857.65 × 765,373.28
  4. Step 4: Simplify right side
    1,338,443.82x = 1,413,535,484,212.44
  5. Step 5: Solve for x
    x = 1,413,535,484,212.44/1,338,443.82
  6. Step 6: Final answer
    x = 1,056,103.71

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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.