Home / 1,085,667.28-1,496,843.22-775,939.48

Finding the Fourth Proportional to 1,085,667.28, 1,496,843.22 and 775,939.48

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Solution

The fourth proportional to 1,085,667.28, 1,496,843.22 and 775,939.48 is: 1,069,811.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,667.28 : 1,496,843.22 = 775,939.48 : x
  2. Step 2: Convert to fraction form
    1,085,667.28/1,496,843.22 = 775,939.48/x
  3. Step 3: Cross multiply
    1,085,667.28x = 1,496,843.22 × 775,939.48
  4. Step 4: Simplify right side
    1,085,667.28x = 1,161,459,749,768.33
  5. Step 5: Solve for x
    x = 1,161,459,749,768.33/1,085,667.28
  6. Step 6: Final answer
    x = 1,069,811.88

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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.