Home / 928,442.78-1,392,664.17-612,825.87

Finding the Fourth Proportional to 928,442.78, 1,392,664.17 and 612,825.87

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Solution

The fourth proportional to 928,442.78, 1,392,664.17 and 612,825.87 is: 919,238.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,442.78 : 1,392,664.17 = 612,825.87 : x
  2. Step 2: Convert to fraction form
    928,442.78/1,392,664.17 = 612,825.87/x
  3. Step 3: Cross multiply
    928,442.78x = 1,392,664.17 × 612,825.87
  4. Step 4: Simplify right side
    928,442.78x = 853,460,631,598.08
  5. Step 5: Solve for x
    x = 853,460,631,598.08/928,442.78
  6. Step 6: Final answer
    x = 919,238.81

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