Home / 1,080,225.99-1,620,339.53-281,505.51

Finding the Fourth Proportional to 1,080,225.99, 1,620,339.53 and 281,505.51

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Solution

The fourth proportional to 1,080,225.99, 1,620,339.53 and 281,505.51 is: 422,258.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,225.99 : 1,620,339.53 = 281,505.51 : x
  2. Step 2: Convert to fraction form
    1,080,225.99/1,620,339.53 = 281,505.51/x
  3. Step 3: Cross multiply
    1,080,225.99x = 1,620,339.53 × 281,505.51
  4. Step 4: Simplify right side
    1,080,225.99x = 456,134,504,358.28
  5. Step 5: Solve for x
    x = 456,134,504,358.28/1,080,225.99
  6. Step 6: Final answer
    x = 422,258.41

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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.