Home / 1,111,939.40-1,667,894.52-270,491.96

Finding the Fourth Proportional to 1,111,939.40, 1,667,894.52 and 270,491.96

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Solution

The fourth proportional to 1,111,939.40, 1,667,894.52 and 270,491.96 is: 405,734.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,939.40 : 1,667,894.52 = 270,491.96 : x
  2. Step 2: Convert to fraction form
    1,111,939.40/1,667,894.52 = 270,491.96/x
  3. Step 3: Cross multiply
    1,111,939.40x = 1,667,894.52 × 270,491.96
  4. Step 4: Simplify right side
    1,111,939.40x = 451,152,057,788.06
  5. Step 5: Solve for x
    x = 451,152,057,788.06/1,111,939.40
  6. Step 6: Final answer
    x = 405,734.39

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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.