Home / 1,318,663.16-1,978,349.83-678,618.12

Finding the Fourth Proportional to 1,318,663.16, 1,978,349.83 and 678,618.12

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Solution

The fourth proportional to 1,318,663.16, 1,978,349.83 and 678,618.12 is: 1,018,109.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,663.16 : 1,978,349.83 = 678,618.12 : x
  2. Step 2: Convert to fraction form
    1,318,663.16/1,978,349.83 = 678,618.12/x
  3. Step 3: Cross multiply
    1,318,663.16x = 1,978,349.83 × 678,618.12
  4. Step 4: Simplify right side
    1,318,663.16x = 1,342,544,048,059.19
  5. Step 5: Solve for x
    x = 1,342,544,048,059.19/1,318,663.16
  6. Step 6: Final answer
    x = 1,018,109.92

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