Home / 1,383,731.27-2,076,196.30-743,287.71

Finding the Fourth Proportional to 1,383,731.27, 2,076,196.30 and 743,287.71

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Solution

The fourth proportional to 1,383,731.27, 2,076,196.30 and 743,287.71 is: 1,115,253.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,731.27 : 2,076,196.30 = 743,287.71 : x
  2. Step 2: Convert to fraction form
    1,383,731.27/2,076,196.30 = 743,287.71/x
  3. Step 3: Cross multiply
    1,383,731.27x = 2,076,196.30 × 743,287.71
  4. Step 4: Simplify right side
    1,383,731.27x = 1,543,211,191,767.38
  5. Step 5: Solve for x
    x = 1,543,211,191,767.38/1,383,731.27
  6. Step 6: Final answer
    x = 1,115,253.54

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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.