Home / 1,228,390.80-1,843,752.60-755,998.80

Finding the Fourth Proportional to 1,228,390.80, 1,843,752.60 and 755,998.80

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Solution

The fourth proportional to 1,228,390.80, 1,843,752.60 and 755,998.80 is: 1,134,716.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,390.80 : 1,843,752.60 = 755,998.80 : x
  2. Step 2: Convert to fraction form
    1,228,390.80/1,843,752.60 = 755,998.80/x
  3. Step 3: Cross multiply
    1,228,390.80x = 1,843,752.60 × 755,998.80
  4. Step 4: Simplify right side
    1,228,390.80x = 1,393,874,753,096.88
  5. Step 5: Solve for x
    x = 1,393,874,753,096.88/1,228,390.80
  6. Step 6: Final answer
    x = 1,134,716.05

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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.