Home / 1,111,952.52-1,667,928.78-270,496.98

Finding the Fourth Proportional to 1,111,952.52, 1,667,928.78 and 270,496.98

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Solution

The fourth proportional to 1,111,952.52, 1,667,928.78 and 270,496.98 is: 405,745.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,952.52 : 1,667,928.78 = 270,496.98 : x
  2. Step 2: Convert to fraction form
    1,111,952.52/1,667,928.78 = 270,496.98/x
  3. Step 3: Cross multiply
    1,111,952.52x = 1,667,928.78 × 270,496.98
  4. Step 4: Simplify right side
    1,111,952.52x = 451,169,697,845.08
  5. Step 5: Solve for x
    x = 451,169,697,845.08/1,111,952.52
  6. Step 6: Final answer
    x = 405,745.47

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Double scale
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Similar ratio
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1.5x scale

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.