Home / 1,333,415.20-1,840,117.83-721,567.90

Finding the Fourth Proportional to 1,333,415.20, 1,840,117.83 and 721,567.90

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Solution

The fourth proportional to 1,333,415.20, 1,840,117.83 and 721,567.90 is: 995,766.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,415.20 : 1,840,117.83 = 721,567.90 : x
  2. Step 2: Convert to fraction form
    1,333,415.20/1,840,117.83 = 721,567.90/x
  3. Step 3: Cross multiply
    1,333,415.20x = 1,840,117.83 × 721,567.90
  4. Step 4: Simplify right side
    1,333,415.20x = 1,327,769,958,345.66
  5. Step 5: Solve for x
    x = 1,327,769,958,345.66/1,333,415.20
  6. Step 6: Final answer
    x = 995,766.33

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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.