Home / 1,228,738.91-1,843,106.76-330,180.66

Finding the Fourth Proportional to 1,228,738.91, 1,843,106.76 and 330,180.66

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Solution

The fourth proportional to 1,228,738.91, 1,843,106.76 and 330,180.66 is: 495,270.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,738.91 : 1,843,106.76 = 330,180.66 : x
  2. Step 2: Convert to fraction form
    1,228,738.91/1,843,106.76 = 330,180.66/x
  3. Step 3: Cross multiply
    1,228,738.91x = 1,843,106.76 × 330,180.66
  4. Step 4: Simplify right side
    1,228,738.91x = 608,558,206,467.26
  5. Step 5: Solve for x
    x = 608,558,206,467.26/1,228,738.91
  6. Step 6: Final answer
    x = 495,270.56

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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.