Home / 998,142.56-1,496,769.06-288,001.88

Finding the Fourth Proportional to 998,142.56, 1,496,769.06 and 288,001.88

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Solution

The fourth proportional to 998,142.56, 1,496,769.06 and 288,001.88 is: 431,874.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,142.56 : 1,496,769.06 = 288,001.88 : x
  2. Step 2: Convert to fraction form
    998,142.56/1,496,769.06 = 288,001.88/x
  3. Step 3: Cross multiply
    998,142.56x = 1,496,769.06 × 288,001.88
  4. Step 4: Simplify right side
    998,142.56x = 431,072,303,205.83
  5. Step 5: Solve for x
    x = 431,072,303,205.83/998,142.56
  6. Step 6: Final answer
    x = 431,874.48

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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.