Home / 1,988,226.69-2,743,789.38-1,105,258.92

Finding the Fourth Proportional to 1,988,226.69, 2,743,789.38 and 1,105,258.92

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Solution

The fourth proportional to 1,988,226.69, 2,743,789.38 and 1,105,258.92 is: 1,525,277.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,226.69 : 2,743,789.38 = 1,105,258.92 : x
  2. Step 2: Convert to fraction form
    1,988,226.69/2,743,789.38 = 1,105,258.92/x
  3. Step 3: Cross multiply
    1,988,226.69x = 2,743,789.38 × 1,105,258.92
  4. Step 4: Simplify right side
    1,988,226.69x = 3,032,597,686,846.27
  5. Step 5: Solve for x
    x = 3,032,597,686,846.27/1,988,226.69
  6. Step 6: Final answer
    x = 1,525,277.63

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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.