Home / 1,152,028.62-1,728,334.53-353,350.80

Finding the Fourth Proportional to 1,152,028.62, 1,728,334.53 and 353,350.80

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Solution

The fourth proportional to 1,152,028.62, 1,728,334.53 and 353,350.80 is: 530,115.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,028.62 : 1,728,334.53 = 353,350.80 : x
  2. Step 2: Convert to fraction form
    1,152,028.62/1,728,334.53 = 353,350.80/x
  3. Step 3: Cross multiply
    1,152,028.62x = 1,728,334.53 × 353,350.80
  4. Step 4: Simplify right side
    1,152,028.62x = 610,708,388,843.12
  5. Step 5: Solve for x
    x = 610,708,388,843.12/1,152,028.62
  6. Step 6: Final answer
    x = 530,115.64

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Double scale
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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.