Home / 1,520,372.76-2,098,023.96-831,907.27

Finding the Fourth Proportional to 1,520,372.76, 2,098,023.96 and 831,907.27

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Solution

The fourth proportional to 1,520,372.76, 2,098,023.96 and 831,907.27 is: 1,147,982.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,372.76 : 2,098,023.96 = 831,907.27 : x
  2. Step 2: Convert to fraction form
    1,520,372.76/2,098,023.96 = 831,907.27/x
  3. Step 3: Cross multiply
    1,520,372.76x = 2,098,023.96 × 831,907.27
  4. Step 4: Simplify right side
    1,520,372.76x = 1,745,361,384,958.19
  5. Step 5: Solve for x
    x = 1,745,361,384,958.19/1,520,372.76
  6. Step 6: Final answer
    x = 1,147,982.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.