Home / 875,170.40-1,310,131.20-520,001.60

Finding the Fourth Proportional to 875,170.40, 1,310,131.20 and 520,001.60

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Solution

The fourth proportional to 875,170.40, 1,310,131.20 and 520,001.60 is: 778,443.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,170.40 : 1,310,131.20 = 520,001.60 : x
  2. Step 2: Convert to fraction form
    875,170.40/1,310,131.20 = 520,001.60/x
  3. Step 3: Cross multiply
    875,170.40x = 1,310,131.20 × 520,001.60
  4. Step 4: Simplify right side
    875,170.40x = 681,270,320,209.92
  5. Step 5: Solve for x
    x = 681,270,320,209.92/875,170.40
  6. Step 6: Final answer
    x = 778,443.06

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