Home / 1,245,736.20-1,864,667.70-978,047.40

Finding the Fourth Proportional to 1,245,736.20, 1,864,667.70 and 978,047.40

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Solution

The fourth proportional to 1,245,736.20, 1,864,667.70 and 978,047.40 is: 1,463,980.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,736.20 : 1,864,667.70 = 978,047.40 : x
  2. Step 2: Convert to fraction form
    1,245,736.20/1,864,667.70 = 978,047.40/x
  3. Step 3: Cross multiply
    1,245,736.20x = 1,864,667.70 × 978,047.40
  4. Step 4: Simplify right side
    1,245,736.20x = 1,823,733,395,848.98
  5. Step 5: Solve for x
    x = 1,823,733,395,848.98/1,245,736.20
  6. Step 6: Final answer
    x = 1,463,980.41

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