Home / 1,228,711.80-1,843,067.70-697,270.80

Finding the Fourth Proportional to 1,228,711.80, 1,843,067.70 and 697,270.80

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Solution

The fourth proportional to 1,228,711.80, 1,843,067.70 and 697,270.80 is: 1,045,906.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,711.80 : 1,843,067.70 = 697,270.80 : x
  2. Step 2: Convert to fraction form
    1,228,711.80/1,843,067.70 = 697,270.80/x
  3. Step 3: Cross multiply
    1,228,711.80x = 1,843,067.70 × 697,270.80
  4. Step 4: Simplify right side
    1,228,711.80x = 1,285,117,289,633.16
  5. Step 5: Solve for x
    x = 1,285,117,289,633.16/1,228,711.80
  6. Step 6: Final answer
    x = 1,045,906.20

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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.