Home / 1,318,873.10-1,978,828.05-520,018.70

Finding the Fourth Proportional to 1,318,873.10, 1,978,828.05 and 520,018.70

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Solution

The fourth proportional to 1,318,873.10, 1,978,828.05 and 520,018.70 is: 780,232.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,873.10 : 1,978,828.05 = 520,018.70 : x
  2. Step 2: Convert to fraction form
    1,318,873.10/1,978,828.05 = 520,018.70/x
  3. Step 3: Cross multiply
    1,318,873.10x = 1,978,828.05 × 520,018.70
  4. Step 4: Simplify right side
    1,318,873.10x = 1,029,027,590,084.54
  5. Step 5: Solve for x
    x = 1,029,027,590,084.54/1,318,873.10
  6. Step 6: Final answer
    x = 780,232.45

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