Home / 1,332,706.88-1,839,135.49-720,859.61

Finding the Fourth Proportional to 1,332,706.88, 1,839,135.49 and 720,859.61

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Solution

The fourth proportional to 1,332,706.88, 1,839,135.49 and 720,859.61 is: 994,786.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,706.88 : 1,839,135.49 = 720,859.61 : x
  2. Step 2: Convert to fraction form
    1,332,706.88/1,839,135.49 = 720,859.61/x
  3. Step 3: Cross multiply
    1,332,706.88x = 1,839,135.49 × 720,859.61
  4. Step 4: Simplify right side
    1,332,706.88x = 1,325,758,481,060.73
  5. Step 5: Solve for x
    x = 1,325,758,481,060.73/1,332,706.88
  6. Step 6: Final answer
    x = 994,786.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.