Home / 780,001.20-1,168,908.30-620,350.20

Finding the Fourth Proportional to 780,001.20, 1,168,908.30 and 620,350.20

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Solution

The fourth proportional to 780,001.20, 1,168,908.30 and 620,350.20 is: 929,655.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,001.20 : 1,168,908.30 = 620,350.20 : x
  2. Step 2: Convert to fraction form
    780,001.20/1,168,908.30 = 620,350.20/x
  3. Step 3: Cross multiply
    780,001.20x = 1,168,908.30 × 620,350.20
  4. Step 4: Simplify right side
    780,001.20x = 725,132,497,686.66
  5. Step 5: Solve for x
    x = 725,132,497,686.66/780,001.20
  6. Step 6: Final answer
    x = 929,655.62

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