Home / 1,215,868.52-1,823,802.80-329,404.52

Finding the Fourth Proportional to 1,215,868.52, 1,823,802.80 and 329,404.52

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Solution

The fourth proportional to 1,215,868.52, 1,823,802.80 and 329,404.52 is: 494,106.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,868.52 : 1,823,802.80 = 329,404.52 : x
  2. Step 2: Convert to fraction form
    1,215,868.52/1,823,802.80 = 329,404.52/x
  3. Step 3: Cross multiply
    1,215,868.52x = 1,823,802.80 × 329,404.52
  4. Step 4: Simplify right side
    1,215,868.52x = 600,768,885,908.66
  5. Step 5: Solve for x
    x = 600,768,885,908.66/1,215,868.52
  6. Step 6: Final answer
    x = 494,106.79

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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.