Home / 1,196,978.47-1,795,335.07-428,445.48

Finding the Fourth Proportional to 1,196,978.47, 1,795,335.07 and 428,445.48

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Solution

The fourth proportional to 1,196,978.47, 1,795,335.07 and 428,445.48 is: 642,620.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,978.47 : 1,795,335.07 = 428,445.48 : x
  2. Step 2: Convert to fraction form
    1,196,978.47/1,795,335.07 = 428,445.48/x
  3. Step 3: Cross multiply
    1,196,978.47x = 1,795,335.07 × 428,445.48
  4. Step 4: Simplify right side
    1,196,978.47x = 769,203,193,684.76
  5. Step 5: Solve for x
    x = 769,203,193,684.76/1,196,978.47
  6. Step 6: Final answer
    x = 642,620.75

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