Home / 1,284,757.47-1,925,033.85-777,781.80

Finding the Fourth Proportional to 1,284,757.47, 1,925,033.85 and 777,781.80

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Solution

The fourth proportional to 1,284,757.47, 1,925,033.85 and 777,781.80 is: 1,165,399.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,757.47 : 1,925,033.85 = 777,781.80 : x
  2. Step 2: Convert to fraction form
    1,284,757.47/1,925,033.85 = 777,781.80/x
  3. Step 3: Cross multiply
    1,284,757.47x = 1,925,033.85 × 777,781.80
  4. Step 4: Simplify right side
    1,284,757.47x = 1,497,256,292,913.93
  5. Step 5: Solve for x
    x = 1,497,256,292,913.93/1,284,757.47
  6. Step 6: Final answer
    x = 1,165,399.95

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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.