Home / 1,213,163.43-1,819,679.49-371,717.61

Finding the Fourth Proportional to 1,213,163.43, 1,819,679.49 and 371,717.61

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Solution

The fourth proportional to 1,213,163.43, 1,819,679.49 and 371,717.61 is: 557,556.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,163.43 : 1,819,679.49 = 371,717.61 : x
  2. Step 2: Convert to fraction form
    1,213,163.43/1,819,679.49 = 371,717.61/x
  3. Step 3: Cross multiply
    1,213,163.43x = 1,819,679.49 × 371,717.61
  4. Step 4: Simplify right side
    1,213,163.43x = 676,406,910,988.82
  5. Step 5: Solve for x
    x = 676,406,910,988.82/1,213,163.43
  6. Step 6: Final answer
    x = 557,556.30

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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.