Home / 851,260.78-1,273,737.11-682,268.56

Finding the Fourth Proportional to 851,260.78, 1,273,737.11 and 682,268.56

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Solution

The fourth proportional to 851,260.78, 1,273,737.11 and 682,268.56 is: 1,020,874.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,260.78 : 1,273,737.11 = 682,268.56 : x
  2. Step 2: Convert to fraction form
    851,260.78/1,273,737.11 = 682,268.56/x
  3. Step 3: Cross multiply
    851,260.78x = 1,273,737.11 × 682,268.56
  4. Step 4: Simplify right side
    851,260.78x = 869,030,777,262.58
  5. Step 5: Solve for x
    x = 869,030,777,262.58/851,260.78
  6. Step 6: Final answer
    x = 1,020,874.91

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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.