Home / 1,008,891.72-1,512,584.28-609,441.84

Finding the Fourth Proportional to 1,008,891.72, 1,512,584.28 and 609,441.84

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Solution

The fourth proportional to 1,008,891.72, 1,512,584.28 and 609,441.84 is: 913,707.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,891.72 : 1,512,584.28 = 609,441.84 : x
  2. Step 2: Convert to fraction form
    1,008,891.72/1,512,584.28 = 609,441.84/x
  3. Step 3: Cross multiply
    1,008,891.72x = 1,512,584.28 × 609,441.84
  4. Step 4: Simplify right side
    1,008,891.72x = 921,832,146,758.28
  5. Step 5: Solve for x
    x = 921,832,146,758.28/1,008,891.72
  6. Step 6: Final answer
    x = 913,707.71

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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.