Home / 831,961.80-1,247,942.70-799,302.60

Finding the Fourth Proportional to 831,961.80, 1,247,942.70 and 799,302.60

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Solution

The fourth proportional to 831,961.80, 1,247,942.70 and 799,302.60 is: 1,198,953.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,961.80 : 1,247,942.70 = 799,302.60 : x
  2. Step 2: Convert to fraction form
    831,961.80/1,247,942.70 = 799,302.60/x
  3. Step 3: Cross multiply
    831,961.80x = 1,247,942.70 × 799,302.60
  4. Step 4: Simplify right side
    831,961.80x = 997,483,844,761.02
  5. Step 5: Solve for x
    x = 997,483,844,761.02/831,961.80
  6. Step 6: Final answer
    x = 1,198,953.90

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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.