Home / 1,325,010.42-1,987,097.22-426,251.88

Finding the Fourth Proportional to 1,325,010.42, 1,987,097.22 and 426,251.88

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Solution

The fourth proportional to 1,325,010.42, 1,987,097.22 and 426,251.88 is: 639,243.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,010.42 : 1,987,097.22 = 426,251.88 : x
  2. Step 2: Convert to fraction form
    1,325,010.42/1,987,097.22 = 426,251.88/x
  3. Step 3: Cross multiply
    1,325,010.42x = 1,987,097.22 × 426,251.88
  4. Step 4: Simplify right side
    1,325,010.42x = 847,003,925,767.77
  5. Step 5: Solve for x
    x = 847,003,925,767.77/1,325,010.42
  6. Step 6: Final answer
    x = 639,243.22

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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.