Home / 1,351,988.82-2,028,364.74-677,255.58

Finding the Fourth Proportional to 1,351,988.82, 2,028,364.74 and 677,255.58

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Solution

The fourth proportional to 1,351,988.82, 2,028,364.74 and 677,255.58 is: 1,016,074.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,988.82 : 2,028,364.74 = 677,255.58 : x
  2. Step 2: Convert to fraction form
    1,351,988.82/2,028,364.74 = 677,255.58/x
  3. Step 3: Cross multiply
    1,351,988.82x = 2,028,364.74 × 677,255.58
  4. Step 4: Simplify right side
    1,351,988.82x = 1,373,721,338,440.25
  5. Step 5: Solve for x
    x = 1,373,721,338,440.25/1,351,988.82
  6. Step 6: Final answer
    x = 1,016,074.48

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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.