Home / 1,380,676.97-2,071,135.13-421,348.56

Finding the Fourth Proportional to 1,380,676.97, 2,071,135.13 and 421,348.56

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Solution

The fourth proportional to 1,380,676.97, 2,071,135.13 and 421,348.56 is: 632,059.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,676.97 : 2,071,135.13 = 421,348.56 : x
  2. Step 2: Convert to fraction form
    1,380,676.97/2,071,135.13 = 421,348.56/x
  3. Step 3: Cross multiply
    1,380,676.97x = 2,071,135.13 × 421,348.56
  4. Step 4: Simplify right side
    1,380,676.97x = 872,669,804,590.91
  5. Step 5: Solve for x
    x = 872,669,804,590.91/1,380,676.97
  6. Step 6: Final answer
    x = 632,059.36

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