Home / 1,080,438.44-1,620,658.88-281,719.32

Finding the Fourth Proportional to 1,080,438.44, 1,620,658.88 and 281,719.32

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Solution

The fourth proportional to 1,080,438.44, 1,620,658.88 and 281,719.32 is: 422,579.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,438.44 : 1,620,658.88 = 281,719.32 : x
  2. Step 2: Convert to fraction form
    1,080,438.44/1,620,658.88 = 281,719.32/x
  3. Step 3: Cross multiply
    1,080,438.44x = 1,620,658.88 × 281,719.32
  4. Step 4: Simplify right side
    1,080,438.44x = 456,570,917,625.56
  5. Step 5: Solve for x
    x = 456,570,917,625.56/1,080,438.44
  6. Step 6: Final answer
    x = 422,579.30

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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.