Home / 1,333,360.74-1,840,042.70-721,513.51

Finding the Fourth Proportional to 1,333,360.74, 1,840,042.70 and 721,513.51

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Solution

The fourth proportional to 1,333,360.74, 1,840,042.70 and 721,513.51 is: 995,691.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,360.74 : 1,840,042.70 = 721,513.51 : x
  2. Step 2: Convert to fraction form
    1,333,360.74/1,840,042.70 = 721,513.51/x
  3. Step 3: Cross multiply
    1,333,360.74x = 1,840,042.70 × 721,513.51
  4. Step 4: Simplify right side
    1,333,360.74x = 1,327,615,667,026.88
  5. Step 5: Solve for x
    x = 1,327,615,667,026.88/1,333,360.74
  6. Step 6: Final answer
    x = 995,691.28

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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.