Home / 1,319,076.96-1,978,316.55-669,995.21

Finding the Fourth Proportional to 1,319,076.96, 1,978,316.55 and 669,995.21

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Solution

The fourth proportional to 1,319,076.96, 1,978,316.55 and 669,995.21 is: 1,004,840.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,076.96 : 1,978,316.55 = 669,995.21 : x
  2. Step 2: Convert to fraction form
    1,319,076.96/1,978,316.55 = 669,995.21/x
  3. Step 3: Cross multiply
    1,319,076.96x = 1,978,316.55 × 669,995.21
  4. Step 4: Simplify right side
    1,319,076.96x = 1,325,462,602,472.14
  5. Step 5: Solve for x
    x = 1,325,462,602,472.14/1,319,076.96
  6. Step 6: Final answer
    x = 1,004,840.99

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