Home / 822,902.80-1,236,197.40-789,315.60

Finding the Fourth Proportional to 822,902.80, 1,236,197.40 and 789,315.60

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Solution

The fourth proportional to 822,902.80, 1,236,197.40 and 789,315.60 is: 1,185,741.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,902.80 : 1,236,197.40 = 789,315.60 : x
  2. Step 2: Convert to fraction form
    822,902.80/1,236,197.40 = 789,315.60/x
  3. Step 3: Cross multiply
    822,902.80x = 1,236,197.40 × 789,315.60
  4. Step 4: Simplify right side
    822,902.80x = 975,749,892,499.44
  5. Step 5: Solve for x
    x = 975,749,892,499.44/822,902.80
  6. Step 6: Final answer
    x = 1,185,741.37

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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.