Home / 999,608.09-1,498,053.46-422,751.83

Finding the Fourth Proportional to 999,608.09, 1,498,053.46 and 422,751.83

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Solution

The fourth proportional to 999,608.09, 1,498,053.46 and 422,751.83 is: 633,553.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,608.09 : 1,498,053.46 = 422,751.83 : x
  2. Step 2: Convert to fraction form
    999,608.09/1,498,053.46 = 422,751.83/x
  3. Step 3: Cross multiply
    999,608.09x = 1,498,053.46 × 422,751.83
  4. Step 4: Simplify right side
    999,608.09x = 633,304,847,727.16
  5. Step 5: Solve for x
    x = 633,304,847,727.16/999,608.09
  6. Step 6: Final answer
    x = 633,553.14

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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.