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Finding the Fourth Proportional to 1,318,891.78, 1,978,648.62 and 1,050,036.33

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Solution

The fourth proportional to 1,318,891.78, 1,978,648.62 and 1,050,036.33 is: 1,575,302.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,891.78 : 1,978,648.62 = 1,050,036.33 : x
  2. Step 2: Convert to fraction form
    1,318,891.78/1,978,648.62 = 1,050,036.33/x
  3. Step 3: Cross multiply
    1,318,891.78x = 1,978,648.62 × 1,050,036.33
  4. Step 4: Simplify right side
    1,318,891.78x = 2,077,652,935,304.36
  5. Step 5: Solve for x
    x = 2,077,652,935,304.36/1,318,891.78
  6. Step 6: Final answer
    x = 1,575,302.06

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