Home / 1,270,614.20-1,906,710.78-791,781.80

Finding the Fourth Proportional to 1,270,614.20, 1,906,710.78 and 791,781.80

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Solution

The fourth proportional to 1,270,614.20, 1,906,710.78 and 791,781.80 is: 1,188,164.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,614.20 : 1,906,710.78 = 791,781.80 : x
  2. Step 2: Convert to fraction form
    1,270,614.20/1,906,710.78 = 791,781.80/x
  3. Step 3: Cross multiply
    1,270,614.20x = 1,906,710.78 × 791,781.80
  4. Step 4: Simplify right side
    1,270,614.20x = 1,509,698,893,467.80
  5. Step 5: Solve for x
    x = 1,509,698,893,467.80/1,270,614.20
  6. Step 6: Final answer
    x = 1,188,164.66

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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.