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Finding the Fourth Proportional to 1,978,865.88, 2,730,835.80 and 1,119,407.82

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Solution

The fourth proportional to 1,978,865.88, 2,730,835.80 and 1,119,407.82 is: 1,544,783.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978,865.88 : 2,730,835.80 = 1,119,407.82 : x
  2. Step 2: Convert to fraction form
    1,978,865.88/2,730,835.80 = 1,119,407.82/x
  3. Step 3: Cross multiply
    1,978,865.88x = 2,730,835.80 × 1,119,407.82
  4. Step 4: Simplify right side
    1,978,865.88x = 3,056,918,949,655.96
  5. Step 5: Solve for x
    x = 3,056,918,949,655.96/1,978,865.88
  6. Step 6: Final answer
    x = 1,544,783.29

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