Home / 1,993,255.20-2,989,882.80-730,918.80

Finding the Fourth Proportional to 1,993,255.20, 2,989,882.80 and 730,918.80

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Solution

The fourth proportional to 1,993,255.20, 2,989,882.80 and 730,918.80 is: 1,096,378.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,255.20 : 2,989,882.80 = 730,918.80 : x
  2. Step 2: Convert to fraction form
    1,993,255.20/2,989,882.80 = 730,918.80/x
  3. Step 3: Cross multiply
    1,993,255.20x = 2,989,882.80 × 730,918.80
  4. Step 4: Simplify right side
    1,993,255.20x = 2,185,361,548,316.64
  5. Step 5: Solve for x
    x = 2,185,361,548,316.64/1,993,255.20
  6. Step 6: Final answer
    x = 1,096,378.20

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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.