Home / 1,226,611.89-1,692,724.50-682,735.97

Finding the Fourth Proportional to 1,226,611.89, 1,692,724.50 and 682,735.97

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Solution

The fourth proportional to 1,226,611.89, 1,692,724.50 and 682,735.97 is: 942,175.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,611.89 : 1,692,724.50 = 682,735.97 : x
  2. Step 2: Convert to fraction form
    1,226,611.89/1,692,724.50 = 682,735.97/x
  3. Step 3: Cross multiply
    1,226,611.89x = 1,692,724.50 × 682,735.97
  4. Step 4: Simplify right side
    1,226,611.89x = 1,155,683,907,682.08
  5. Step 5: Solve for x
    x = 1,155,683,907,682.08/1,226,611.89
  6. Step 6: Final answer
    x = 942,175.69

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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.