Home / 815,872.80-1,223,809.20-733,204.20

Finding the Fourth Proportional to 815,872.80, 1,223,809.20 and 733,204.20

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Solution

The fourth proportional to 815,872.80, 1,223,809.20 and 733,204.20 is: 1,099,806.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,872.80 : 1,223,809.20 = 733,204.20 : x
  2. Step 2: Convert to fraction form
    815,872.80/1,223,809.20 = 733,204.20/x
  3. Step 3: Cross multiply
    815,872.80x = 1,223,809.20 × 733,204.20
  4. Step 4: Simplify right side
    815,872.80x = 897,302,045,438.64
  5. Step 5: Solve for x
    x = 897,302,045,438.64/815,872.80
  6. Step 6: Final answer
    x = 1,099,806.30

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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.