Home / 1,286,682.32-1,929,729.72-488,052.56

Finding the Fourth Proportional to 1,286,682.32, 1,929,729.72 and 488,052.56

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Solution

The fourth proportional to 1,286,682.32, 1,929,729.72 and 488,052.56 is: 731,967.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,682.32 : 1,929,729.72 = 488,052.56 : x
  2. Step 2: Convert to fraction form
    1,286,682.32/1,929,729.72 = 488,052.56/x
  3. Step 3: Cross multiply
    1,286,682.32x = 1,929,729.72 × 488,052.56
  4. Step 4: Simplify right side
    1,286,682.32x = 941,809,529,954.08
  5. Step 5: Solve for x
    x = 941,809,529,954.08/1,286,682.32
  6. Step 6: Final answer
    x = 731,967.41

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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.