Home / 1,318,662.36-1,978,348.58-678,617.32

Finding the Fourth Proportional to 1,318,662.36, 1,978,348.58 and 678,617.32

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Solution

The fourth proportional to 1,318,662.36, 1,978,348.58 and 678,617.32 is: 1,018,108.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,662.36 : 1,978,348.58 = 678,617.32 : x
  2. Step 2: Convert to fraction form
    1,318,662.36/1,978,348.58 = 678,617.32/x
  3. Step 3: Cross multiply
    1,318,662.36x = 1,978,348.58 × 678,617.32
  4. Step 4: Simplify right side
    1,318,662.36x = 1,342,541,611,385.41
  5. Step 5: Solve for x
    x = 1,342,541,611,385.41/1,318,662.36
  6. Step 6: Final answer
    x = 1,018,108.69

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