Home / 1,333,408.48-1,840,108.55-721,561.19

Finding the Fourth Proportional to 1,333,408.48, 1,840,108.55 and 721,561.19

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Solution

The fourth proportional to 1,333,408.48, 1,840,108.55 and 721,561.19 is: 995,757.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,408.48 : 1,840,108.55 = 721,561.19 : x
  2. Step 2: Convert to fraction form
    1,333,408.48/1,840,108.55 = 721,561.19/x
  3. Step 3: Cross multiply
    1,333,408.48x = 1,840,108.55 × 721,561.19
  4. Step 4: Simplify right side
    1,333,408.48x = 1,327,750,902,258.83
  5. Step 5: Solve for x
    x = 1,327,750,902,258.83/1,333,408.48
  6. Step 6: Final answer
    x = 995,757.06

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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.