Home / 1,780,441.98-2,667,620.16-1,272,407.37

Finding the Fourth Proportional to 1,780,441.98, 2,667,620.16 and 1,272,407.37

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Solution

The fourth proportional to 1,780,441.98, 2,667,620.16 and 1,272,407.37 is: 1,906,436.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,441.98 : 2,667,620.16 = 1,272,407.37 : x
  2. Step 2: Convert to fraction form
    1,780,441.98/2,667,620.16 = 1,272,407.37/x
  3. Step 3: Cross multiply
    1,780,441.98x = 2,667,620.16 × 1,272,407.37
  4. Step 4: Simplify right side
    1,780,441.98x = 3,394,299,551,944.58
  5. Step 5: Solve for x
    x = 3,394,299,551,944.58/1,780,441.98
  6. Step 6: Final answer
    x = 1,906,436.49

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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.