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Finding the Fourth Proportional to 1,978,670.65, 2,967,249.39 and 1,079,631.85

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Solution

The fourth proportional to 1,978,670.65, 2,967,249.39 and 1,079,631.85 is: 1,619,034.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978,670.65 : 2,967,249.39 = 1,079,631.85 : x
  2. Step 2: Convert to fraction form
    1,978,670.65/2,967,249.39 = 1,079,631.85/x
  3. Step 3: Cross multiply
    1,978,670.65x = 2,967,249.39 × 1,079,631.85
  4. Step 4: Simplify right side
    1,978,670.65x = 3,203,536,956,852.24
  5. Step 5: Solve for x
    x = 3,203,536,956,852.24/1,978,670.65
  6. Step 6: Final answer
    x = 1,619,034.96

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