Home / 1,016,820.68-1,525,239.72-258,662.80

Finding the Fourth Proportional to 1,016,820.68, 1,525,239.72 and 258,662.80

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Solution

The fourth proportional to 1,016,820.68, 1,525,239.72 and 258,662.80 is: 387,996.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,820.68 : 1,525,239.72 = 258,662.80 : x
  2. Step 2: Convert to fraction form
    1,016,820.68/1,525,239.72 = 258,662.80/x
  3. Step 3: Cross multiply
    1,016,820.68x = 1,525,239.72 × 258,662.80
  4. Step 4: Simplify right side
    1,016,820.68x = 394,522,778,552.97
  5. Step 5: Solve for x
    x = 394,522,778,552.97/1,016,820.68
  6. Step 6: Final answer
    x = 387,996.42

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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.