Home / 1,433,680.10-1,978,251.80-821,714.97

Finding the Fourth Proportional to 1,433,680.10, 1,978,251.80 and 821,714.97

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Solution

The fourth proportional to 1,433,680.10, 1,978,251.80 and 821,714.97 is: 1,133,836.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,680.10 : 1,978,251.80 = 821,714.97 : x
  2. Step 2: Convert to fraction form
    1,433,680.10/1,978,251.80 = 821,714.97/x
  3. Step 3: Cross multiply
    1,433,680.10x = 1,978,251.80 × 821,714.97
  4. Step 4: Simplify right side
    1,433,680.10x = 1,625,559,114,380.87
  5. Step 5: Solve for x
    x = 1,625,559,114,380.87/1,433,680.10
  6. Step 6: Final answer
    x = 1,133,836.70

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