Home / 988,922.28-1,481,848.86-685,908.18

Finding the Fourth Proportional to 988,922.28, 1,481,848.86 and 685,908.18

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Solution

The fourth proportional to 988,922.28, 1,481,848.86 and 685,908.18 is: 1,027,797.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,922.28 : 1,481,848.86 = 685,908.18 : x
  2. Step 2: Convert to fraction form
    988,922.28/1,481,848.86 = 685,908.18/x
  3. Step 3: Cross multiply
    988,922.28x = 1,481,848.86 × 685,908.18
  4. Step 4: Simplify right side
    988,922.28x = 1,016,412,254,597.68
  5. Step 5: Solve for x
    x = 1,016,412,254,597.68/988,922.28
  6. Step 6: Final answer
    x = 1,027,797.91

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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.