Home / 687,630.40-1,031,445.60-182,190.40

Finding the Fourth Proportional to 687,630.40, 1,031,445.60 and 182,190.40

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Solution

The fourth proportional to 687,630.40, 1,031,445.60 and 182,190.40 is: 273,285.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,630.40 : 1,031,445.60 = 182,190.40 : x
  2. Step 2: Convert to fraction form
    687,630.40/1,031,445.60 = 182,190.40/x
  3. Step 3: Cross multiply
    687,630.40x = 1,031,445.60 × 182,190.40
  4. Step 4: Simplify right side
    687,630.40x = 187,919,486,442.24
  5. Step 5: Solve for x
    x = 187,919,486,442.24/687,630.40
  6. Step 6: Final answer
    x = 273,285.60

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