Home / 1,226,415.73-1,692,453.73-682,679.97

Finding the Fourth Proportional to 1,226,415.73, 1,692,453.73 and 682,679.97

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Solution

The fourth proportional to 1,226,415.73, 1,692,453.73 and 682,679.97 is: 942,098.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,415.73 : 1,692,453.73 = 682,679.97 : x
  2. Step 2: Convert to fraction form
    1,226,415.73/1,692,453.73 = 682,679.97/x
  3. Step 3: Cross multiply
    1,226,415.73x = 1,692,453.73 × 682,679.97
  4. Step 4: Simplify right side
    1,226,415.73x = 1,155,404,251,453.82
  5. Step 5: Solve for x
    x = 1,155,404,251,453.82/1,226,415.73
  6. Step 6: Final answer
    x = 942,098.36

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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.