Home / 923,635.20-1,385,452.80-864,148.80

Finding the Fourth Proportional to 923,635.20, 1,385,452.80 and 864,148.80

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Solution

The fourth proportional to 923,635.20, 1,385,452.80 and 864,148.80 is: 1,296,223.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,635.20 : 1,385,452.80 = 864,148.80 : x
  2. Step 2: Convert to fraction form
    923,635.20/1,385,452.80 = 864,148.80/x
  3. Step 3: Cross multiply
    923,635.20x = 1,385,452.80 × 864,148.80
  4. Step 4: Simplify right side
    923,635.20x = 1,197,237,374,576.64
  5. Step 5: Solve for x
    x = 1,197,237,374,576.64/923,635.20
  6. Step 6: Final answer
    x = 1,296,223.20

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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.