Home / 1,396,782.81-2,094,112.16-722,434.73

Finding the Fourth Proportional to 1,396,782.81, 2,094,112.16 and 722,434.73

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Solution

The fourth proportional to 1,396,782.81, 2,094,112.16 and 722,434.73 is: 1,083,102.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,782.81 : 2,094,112.16 = 722,434.73 : x
  2. Step 2: Convert to fraction form
    1,396,782.81/2,094,112.16 = 722,434.73/x
  3. Step 3: Cross multiply
    1,396,782.81x = 2,094,112.16 × 722,434.73
  4. Step 4: Simplify right side
    1,396,782.81x = 1,512,859,338,816.58
  5. Step 5: Solve for x
    x = 1,512,859,338,816.58/1,396,782.81
  6. Step 6: Final answer
    x = 1,083,102.78

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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.