Home / 1,479,228.96-2,040,983.58-1,020,196.80

Finding the Fourth Proportional to 1,479,228.96, 2,040,983.58 and 1,020,196.80

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Solution

The fourth proportional to 1,479,228.96, 2,040,983.58 and 1,020,196.80 is: 1,407,628.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,228.96 : 2,040,983.58 = 1,020,196.80 : x
  2. Step 2: Convert to fraction form
    1,479,228.96/2,040,983.58 = 1,020,196.80/x
  3. Step 3: Cross multiply
    1,479,228.96x = 2,040,983.58 × 1,020,196.80
  4. Step 4: Simplify right side
    1,479,228.96x = 2,082,204,917,168.54
  5. Step 5: Solve for x
    x = 2,082,204,917,168.54/1,479,228.96
  6. Step 6: Final answer
    x = 1,407,628.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.