Home / 1,333,253.49-1,839,884.73-721,407.43

Finding the Fourth Proportional to 1,333,253.49, 1,839,884.73 and 721,407.43

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Solution

The fourth proportional to 1,333,253.49, 1,839,884.73 and 721,407.43 is: 995,539.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,253.49 : 1,839,884.73 = 721,407.43 : x
  2. Step 2: Convert to fraction form
    1,333,253.49/1,839,884.73 = 721,407.43/x
  3. Step 3: Cross multiply
    1,333,253.49x = 1,839,884.73 × 721,407.43
  4. Step 4: Simplify right side
    1,333,253.49x = 1,327,306,514,160.12
  5. Step 5: Solve for x
    x = 1,327,306,514,160.12/1,333,253.49
  6. Step 6: Final answer
    x = 995,539.50

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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.