Home / 1,684,144.54-2,324,119.47-920,198.10

Finding the Fourth Proportional to 1,684,144.54, 2,324,119.47 and 920,198.10

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Solution

The fourth proportional to 1,684,144.54, 2,324,119.47 and 920,198.10 is: 1,269,873.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684,144.54 : 2,324,119.47 = 920,198.10 : x
  2. Step 2: Convert to fraction form
    1,684,144.54/2,324,119.47 = 920,198.10/x
  3. Step 3: Cross multiply
    1,684,144.54x = 2,324,119.47 × 920,198.10
  4. Step 4: Simplify right side
    1,684,144.54x = 2,138,650,315,866.02
  5. Step 5: Solve for x
    x = 2,138,650,315,866.02/1,684,144.54
  6. Step 6: Final answer
    x = 1,269,873.38

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.