Home / 976,381.20-1,465,446.60-843,411.60

Finding the Fourth Proportional to 976,381.20, 1,465,446.60 and 843,411.60

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Solution

The fourth proportional to 976,381.20, 1,465,446.60 and 843,411.60 is: 1,265,873.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,381.20 : 1,465,446.60 = 843,411.60 : x
  2. Step 2: Convert to fraction form
    976,381.20/1,465,446.60 = 843,411.60/x
  3. Step 3: Cross multiply
    976,381.20x = 1,465,446.60 × 843,411.60
  4. Step 4: Simplify right side
    976,381.20x = 1,235,974,661,620.56
  5. Step 5: Solve for x
    x = 1,235,974,661,620.56/976,381.20
  6. Step 6: Final answer
    x = 1,265,873.06

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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.