Home / 1,333,441.36-1,840,149.04-721,594.12

Finding the Fourth Proportional to 1,333,441.36, 1,840,149.04 and 721,594.12

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Solution

The fourth proportional to 1,333,441.36, 1,840,149.04 and 721,594.12 is: 995,799.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,441.36 : 1,840,149.04 = 721,594.12 : x
  2. Step 2: Convert to fraction form
    1,333,441.36/1,840,149.04 = 721,594.12/x
  3. Step 3: Cross multiply
    1,333,441.36x = 1,840,149.04 × 721,594.12
  4. Step 4: Simplify right side
    1,333,441.36x = 1,327,840,727,187.64
  5. Step 5: Solve for x
    x = 1,327,840,727,187.64/1,333,441.36
  6. Step 6: Final answer
    x = 995,799.87

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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.