Home / 1,318,930.83-1,978,393.19-866,378.70

Finding the Fourth Proportional to 1,318,930.83, 1,978,393.19 and 866,378.70

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Solution

The fourth proportional to 1,318,930.83, 1,978,393.19 and 866,378.70 is: 1,299,566.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,930.83 : 1,978,393.19 = 866,378.70 : x
  2. Step 2: Convert to fraction form
    1,318,930.83/1,978,393.19 = 866,378.70/x
  3. Step 3: Cross multiply
    1,318,930.83x = 1,978,393.19 × 866,378.70
  4. Step 4: Simplify right side
    1,318,930.83x = 1,714,037,715,709.16
  5. Step 5: Solve for x
    x = 1,714,037,715,709.16/1,318,930.83
  6. Step 6: Final answer
    x = 1,299,566.04

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