Home / 1,332,707.38-1,839,136.18-720,860.11

Finding the Fourth Proportional to 1,332,707.38, 1,839,136.18 and 720,860.11

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Solution

The fourth proportional to 1,332,707.38, 1,839,136.18 and 720,860.11 is: 994,786.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,707.38 : 1,839,136.18 = 720,860.11 : x
  2. Step 2: Convert to fraction form
    1,332,707.38/1,839,136.18 = 720,860.11/x
  3. Step 3: Cross multiply
    1,332,707.38x = 1,839,136.18 × 720,860.11
  4. Step 4: Simplify right side
    1,332,707.38x = 1,325,759,899,824.10
  5. Step 5: Solve for x
    x = 1,325,759,899,824.10/1,332,707.38
  6. Step 6: Final answer
    x = 994,786.95

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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.