Home / 1,333,271.22-1,839,910.58-721,434.38

Finding the Fourth Proportional to 1,333,271.22, 1,839,910.58 and 721,434.38

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Solution

The fourth proportional to 1,333,271.22, 1,839,910.58 and 721,434.38 is: 995,577.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,271.22 : 1,839,910.58 = 721,434.38 : x
  2. Step 2: Convert to fraction form
    1,333,271.22/1,839,910.58 = 721,434.38/x
  3. Step 3: Cross multiply
    1,333,271.22x = 1,839,910.58 × 721,434.38
  4. Step 4: Simplify right side
    1,333,271.22x = 1,327,374,748,537.74
  5. Step 5: Solve for x
    x = 1,327,374,748,537.74/1,333,271.22
  6. Step 6: Final answer
    x = 995,577.44

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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.