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Finding the Fourth Proportional to 1,984,823.88, 2,978,219.58 and 786,719.64

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Solution

The fourth proportional to 1,984,823.88, 2,978,219.58 and 786,719.64 is: 1,180,469.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984,823.88 : 2,978,219.58 = 786,719.64 : x
  2. Step 2: Convert to fraction form
    1,984,823.88/2,978,219.58 = 786,719.64/x
  3. Step 3: Cross multiply
    1,984,823.88x = 2,978,219.58 × 786,719.64
  4. Step 4: Simplify right side
    1,984,823.88x = 2,343,023,835,818.55
  5. Step 5: Solve for x
    x = 2,343,023,835,818.55/1,984,823.88
  6. Step 6: Final answer
    x = 1,180,469.39

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