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Finding the Fourth Proportional to 1,978,637.95, 2,967,508.32 and 1,005,015.25

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Solution

The fourth proportional to 1,978,637.95, 2,967,508.32 and 1,005,015.25 is: 1,507,295.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978,637.95 : 2,967,508.32 = 1,005,015.25 : x
  2. Step 2: Convert to fraction form
    1,978,637.95/2,967,508.32 = 1,005,015.25/x
  3. Step 3: Cross multiply
    1,978,637.95x = 2,967,508.32 × 1,005,015.25
  4. Step 4: Simplify right side
    1,978,637.95x = 2,982,391,116,101.88
  5. Step 5: Solve for x
    x = 2,982,391,116,101.88/1,978,637.95
  6. Step 6: Final answer
    x = 1,507,295.01

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