Home / 1,422,412.38-1,962,928.24-777,832.58

Finding the Fourth Proportional to 1,422,412.38, 1,962,928.24 and 777,832.58

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Solution

The fourth proportional to 1,422,412.38, 1,962,928.24 and 777,832.58 is: 1,073,408.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,412.38 : 1,962,928.24 = 777,832.58 : x
  2. Step 2: Convert to fraction form
    1,422,412.38/1,962,928.24 = 777,832.58/x
  3. Step 3: Cross multiply
    1,422,412.38x = 1,962,928.24 × 777,832.58
  4. Step 4: Simplify right side
    1,422,412.38x = 1,526,829,540,236.80
  5. Step 5: Solve for x
    x = 1,526,829,540,236.80/1,422,412.38
  6. Step 6: Final answer
    x = 1,073,408.50

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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.