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Finding the Fourth Proportional to 1,733,933.80, 2,600,771.10 and 722,794.60

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Solution

The fourth proportional to 1,733,933.80, 2,600,771.10 and 722,794.60 is: 1,084,137.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,733,933.80 : 2,600,771.10 = 722,794.60 : x
  2. Step 2: Convert to fraction form
    1,733,933.80/2,600,771.10 = 722,794.60/x
  3. Step 3: Cross multiply
    1,733,933.80x = 2,600,771.10 × 722,794.60
  4. Step 4: Simplify right side
    1,733,933.80x = 1,879,823,306,916.06
  5. Step 5: Solve for x
    x = 1,879,823,306,916.06/1,733,933.80
  6. Step 6: Final answer
    x = 1,084,137.88

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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.