Home / 1,180,015.20-1,770,011.28-338,571.36

Finding the Fourth Proportional to 1,180,015.20, 1,770,011.28 and 338,571.36

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Solution

The fourth proportional to 1,180,015.20, 1,770,011.28 and 338,571.36 is: 507,853.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,015.20 : 1,770,011.28 = 338,571.36 : x
  2. Step 2: Convert to fraction form
    1,180,015.20/1,770,011.28 = 338,571.36/x
  3. Step 3: Cross multiply
    1,180,015.20x = 1,770,011.28 × 338,571.36
  4. Step 4: Simplify right side
    1,180,015.20x = 599,275,126,284.94
  5. Step 5: Solve for x
    x = 599,275,126,284.94/1,180,015.20
  6. Step 6: Final answer
    x = 507,853.73

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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.