Home / 1,447,120.44-2,170,690.38-436,245.30

Finding the Fourth Proportional to 1,447,120.44, 2,170,690.38 and 436,245.30

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Solution

The fourth proportional to 1,447,120.44, 2,170,690.38 and 436,245.30 is: 654,370.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,120.44 : 2,170,690.38 = 436,245.30 : x
  2. Step 2: Convert to fraction form
    1,447,120.44/2,170,690.38 = 436,245.30/x
  3. Step 3: Cross multiply
    1,447,120.44x = 2,170,690.38 × 436,245.30
  4. Step 4: Simplify right side
    1,447,120.44x = 946,953,476,030.21
  5. Step 5: Solve for x
    x = 946,953,476,030.21/1,447,120.44
  6. Step 6: Final answer
    x = 654,370.88

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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.