Home / 1,215,438.80-1,824,302.42-616,829.56

Finding the Fourth Proportional to 1,215,438.80, 1,824,302.42 and 616,829.56

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Solution

The fourth proportional to 1,215,438.80, 1,824,302.42 and 616,829.56 is: 925,825.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,438.80 : 1,824,302.42 = 616,829.56 : x
  2. Step 2: Convert to fraction form
    1,215,438.80/1,824,302.42 = 616,829.56/x
  3. Step 3: Cross multiply
    1,215,438.80x = 1,824,302.42 × 616,829.56
  4. Step 4: Simplify right side
    1,215,438.80x = 1,125,283,659,035.54
  5. Step 5: Solve for x
    x = 1,125,283,659,035.54/1,215,438.80
  6. Step 6: Final answer
    x = 925,825.03

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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.