Home / 1,384,005.10-2,076,007.65-814,801.90

Finding the Fourth Proportional to 1,384,005.10, 2,076,007.65 and 814,801.90

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Solution

The fourth proportional to 1,384,005.10, 2,076,007.65 and 814,801.90 is: 1,222,202.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,005.10 : 2,076,007.65 = 814,801.90 : x
  2. Step 2: Convert to fraction form
    1,384,005.10/2,076,007.65 = 814,801.90/x
  3. Step 3: Cross multiply
    1,384,005.10x = 2,076,007.65 × 814,801.90
  4. Step 4: Simplify right side
    1,384,005.10x = 1,691,534,977,634.54
  5. Step 5: Solve for x
    x = 1,691,534,977,634.54/1,384,005.10
  6. Step 6: Final answer
    x = 1,222,202.85

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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.