Home / 1,140,212.82-1,573,243.76-681,258.44

Finding the Fourth Proportional to 1,140,212.82, 1,573,243.76 and 681,258.44

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Solution

The fourth proportional to 1,140,212.82, 1,573,243.76 and 681,258.44 is: 939,987.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,212.82 : 1,573,243.76 = 681,258.44 : x
  2. Step 2: Convert to fraction form
    1,140,212.82/1,573,243.76 = 681,258.44/x
  3. Step 3: Cross multiply
    1,140,212.82x = 1,573,243.76 × 681,258.44
  4. Step 4: Simplify right side
    1,140,212.82x = 1,071,785,589,677.33
  5. Step 5: Solve for x
    x = 1,071,785,589,677.33/1,140,212.82
  6. Step 6: Final answer
    x = 939,987.32

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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.