Home / 911,936.80-1,367,905.20-837,287.20

Finding the Fourth Proportional to 911,936.80, 1,367,905.20 and 837,287.20

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Solution

The fourth proportional to 911,936.80, 1,367,905.20 and 837,287.20 is: 1,255,930.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,936.80 : 1,367,905.20 = 837,287.20 : x
  2. Step 2: Convert to fraction form
    911,936.80/1,367,905.20 = 837,287.20/x
  3. Step 3: Cross multiply
    911,936.80x = 1,367,905.20 × 837,287.20
  4. Step 4: Simplify right side
    911,936.80x = 1,145,329,514,773.44
  5. Step 5: Solve for x
    x = 1,145,329,514,773.44/911,936.80
  6. Step 6: Final answer
    x = 1,255,930.80

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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.