Home / 1,383,525.90-2,076,163.65-814,905.90

Finding the Fourth Proportional to 1,383,525.90, 2,076,163.65 and 814,905.90

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Solution

The fourth proportional to 1,383,525.90, 2,076,163.65 and 814,905.90 is: 1,222,874.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,525.90 : 2,076,163.65 = 814,905.90 : x
  2. Step 2: Convert to fraction form
    1,383,525.90/2,076,163.65 = 814,905.90/x
  3. Step 3: Cross multiply
    1,383,525.90x = 2,076,163.65 × 814,905.90
  4. Step 4: Simplify right side
    1,383,525.90x = 1,691,878,007,750.54
  5. Step 5: Solve for x
    x = 1,691,878,007,750.54/1,383,525.90
  6. Step 6: Final answer
    x = 1,222,874.11

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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.