Home / 1,508,218.41-2,081,354.94-819,891.59

Finding the Fourth Proportional to 1,508,218.41, 2,081,354.94 and 819,891.59

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Solution

The fourth proportional to 1,508,218.41, 2,081,354.94 and 819,891.59 is: 1,131,457.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,218.41 : 2,081,354.94 = 819,891.59 : x
  2. Step 2: Convert to fraction form
    1,508,218.41/2,081,354.94 = 819,891.59/x
  3. Step 3: Cross multiply
    1,508,218.41x = 2,081,354.94 × 819,891.59
  4. Step 4: Simplify right side
    1,508,218.41x = 1,706,485,418,265.61
  5. Step 5: Solve for x
    x = 1,706,485,418,265.61/1,508,218.41
  6. Step 6: Final answer
    x = 1,131,457.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.