Home / 1,332,735.75-1,839,176.55-729,123.75

Finding the Fourth Proportional to 1,332,735.75, 1,839,176.55 and 729,123.75

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Solution

The fourth proportional to 1,332,735.75, 1,839,176.55 and 729,123.75 is: 1,006,191.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,735.75 : 1,839,176.55 = 729,123.75 : x
  2. Step 2: Convert to fraction form
    1,332,735.75/1,839,176.55 = 729,123.75/x
  3. Step 3: Cross multiply
    1,332,735.75x = 1,839,176.55 × 729,123.75
  4. Step 4: Simplify right side
    1,332,735.75x = 1,340,987,303,048.06
  5. Step 5: Solve for x
    x = 1,340,987,303,048.06/1,332,735.75
  6. Step 6: Final answer
    x = 1,006,191.44

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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.