Home / 831,651.80-1,247,477.70-798,992.60

Finding the Fourth Proportional to 831,651.80, 1,247,477.70 and 798,992.60

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Solution

The fourth proportional to 831,651.80, 1,247,477.70 and 798,992.60 is: 1,198,488.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,651.80 : 1,247,477.70 = 798,992.60 : x
  2. Step 2: Convert to fraction form
    831,651.80/1,247,477.70 = 798,992.60/x
  3. Step 3: Cross multiply
    831,651.80x = 1,247,477.70 × 798,992.60
  4. Step 4: Simplify right side
    831,651.80x = 996,725,450,965.02
  5. Step 5: Solve for x
    x = 996,725,450,965.02/831,651.80
  6. Step 6: Final answer
    x = 1,198,488.90

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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.