Home / 1,274,620.59-1,911,922.38-516,450.87

Finding the Fourth Proportional to 1,274,620.59, 1,911,922.38 and 516,450.87

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Solution

The fourth proportional to 1,274,620.59, 1,911,922.38 and 516,450.87 is: 774,672.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,620.59 : 1,911,922.38 = 516,450.87 : x
  2. Step 2: Convert to fraction form
    1,274,620.59/1,911,922.38 = 516,450.87/x
  3. Step 3: Cross multiply
    1,274,620.59x = 1,911,922.38 × 516,450.87
  4. Step 4: Simplify right side
    1,274,620.59x = 987,413,976,523.47
  5. Step 5: Solve for x
    x = 987,413,976,523.47/1,274,620.59
  6. Step 6: Final answer
    x = 774,672.86

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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.