Home / 1,338,261-1,846,778.28-765,281.58

Finding the Fourth Proportional to 1,338,261, 1,846,778.28 and 765,281.58

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Solution

The fourth proportional to 1,338,261, 1,846,778.28 and 765,281.58 is: 1,056,076.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,261 : 1,846,778.28 = 765,281.58 : x
  2. Step 2: Convert to fraction form
    1,338,261/1,846,778.28 = 765,281.58/x
  3. Step 3: Cross multiply
    1,338,261x = 1,846,778.28 × 765,281.58
  4. Step 4: Simplify right side
    1,338,261x = 1,413,305,400,028.08
  5. Step 5: Solve for x
    x = 1,413,305,400,028.08/1,338,261
  6. Step 6: Final answer
    x = 1,056,076.06

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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.