Home / 748,915.20-1,121,623.20-733,881.60

Finding the Fourth Proportional to 748,915.20, 1,121,623.20 and 733,881.60

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Solution

The fourth proportional to 748,915.20, 1,121,623.20 and 733,881.60 is: 1,099,107.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,915.20 : 1,121,623.20 = 733,881.60 : x
  2. Step 2: Convert to fraction form
    748,915.20/1,121,623.20 = 733,881.60/x
  3. Step 3: Cross multiply
    748,915.20x = 1,121,623.20 × 733,881.60
  4. Step 4: Simplify right side
    748,915.20x = 823,138,628,613.12
  5. Step 5: Solve for x
    x = 823,138,628,613.12/748,915.20
  6. Step 6: Final answer
    x = 1,099,107.92

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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.