Home / 1,119,771.73-1,679,947.17-321,111.73

Finding the Fourth Proportional to 1,119,771.73, 1,679,947.17 and 321,111.73

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Solution

The fourth proportional to 1,119,771.73, 1,679,947.17 and 321,111.73 is: 481,750.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,771.73 : 1,679,947.17 = 321,111.73 : x
  2. Step 2: Convert to fraction form
    1,119,771.73/1,679,947.17 = 321,111.73/x
  3. Step 3: Cross multiply
    1,119,771.73x = 1,679,947.17 × 321,111.73
  4. Step 4: Simplify right side
    1,119,771.73x = 539,450,742,067.30
  5. Step 5: Solve for x
    x = 539,450,742,067.30/1,119,771.73
  6. Step 6: Final answer
    x = 481,750.64

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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.