Home / 1,080,190.80-1,620,286.20-370,225.80

Finding the Fourth Proportional to 1,080,190.80, 1,620,286.20 and 370,225.80

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Solution

The fourth proportional to 1,080,190.80, 1,620,286.20 and 370,225.80 is: 555,338.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,190.80 : 1,620,286.20 = 370,225.80 : x
  2. Step 2: Convert to fraction form
    1,080,190.80/1,620,286.20 = 370,225.80/x
  3. Step 3: Cross multiply
    1,080,190.80x = 1,620,286.20 × 370,225.80
  4. Step 4: Simplify right side
    1,080,190.80x = 599,871,754,623.96
  5. Step 5: Solve for x
    x = 599,871,754,623.96/1,080,190.80
  6. Step 6: Final answer
    x = 555,338.70

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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.