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Finding the Fourth Proportional to 1,258,845.64, 1,889,914.56 and 747,444.22

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Solution

The fourth proportional to 1,258,845.64, 1,889,914.56 and 747,444.22 is: 1,122,143.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,845.64 : 1,889,914.56 = 747,444.22 : x
  2. Step 2: Convert to fraction form
    1,258,845.64/1,889,914.56 = 747,444.22/x
  3. Step 3: Cross multiply
    1,258,845.64x = 1,889,914.56 × 747,444.22
  4. Step 4: Simplify right side
    1,258,845.64x = 1,412,605,714,165.84
  5. Step 5: Solve for x
    x = 1,412,605,714,165.84/1,258,845.64
  6. Step 6: Final answer
    x = 1,122,143.71

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