Home / 1,791,996.80-2,687,995.20-1,082,825.60

Finding the Fourth Proportional to 1,791,996.80, 2,687,995.20 and 1,082,825.60

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Solution

The fourth proportional to 1,791,996.80, 2,687,995.20 and 1,082,825.60 is: 1,624,238.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,996.80 : 2,687,995.20 = 1,082,825.60 : x
  2. Step 2: Convert to fraction form
    1,791,996.80/2,687,995.20 = 1,082,825.60/x
  3. Step 3: Cross multiply
    1,791,996.80x = 2,687,995.20 × 1,082,825.60
  4. Step 4: Simplify right side
    1,791,996.80x = 2,910,630,015,237.12
  5. Step 5: Solve for x
    x = 2,910,630,015,237.12/1,791,996.80
  6. Step 6: Final answer
    x = 1,624,238.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.