Home / 1,088,081.20-1,632,120.54-378,109.30

Finding the Fourth Proportional to 1,088,081.20, 1,632,120.54 and 378,109.30

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Solution

The fourth proportional to 1,088,081.20, 1,632,120.54 and 378,109.30 is: 567,163.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,081.20 : 1,632,120.54 = 378,109.30 : x
  2. Step 2: Convert to fraction form
    1,088,081.20/1,632,120.54 = 378,109.30/x
  3. Step 3: Cross multiply
    1,088,081.20x = 1,632,120.54 × 378,109.30
  4. Step 4: Simplify right side
    1,088,081.20x = 617,119,954,895.02
  5. Step 5: Solve for x
    x = 617,119,954,895.02/1,088,081.20
  6. Step 6: Final answer
    x = 567,163.51

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.