Home / 1,333,519.88-1,840,243.04-721,659.08

Finding the Fourth Proportional to 1,333,519.88, 1,840,243.04 and 721,659.08

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Solution

The fourth proportional to 1,333,519.88, 1,840,243.04 and 721,659.08 is: 995,881.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,519.88 : 1,840,243.04 = 721,659.08 : x
  2. Step 2: Convert to fraction form
    1,333,519.88/1,840,243.04 = 721,659.08/x
  3. Step 3: Cross multiply
    1,333,519.88x = 1,840,243.04 × 721,659.08
  4. Step 4: Simplify right side
    1,333,519.88x = 1,328,028,099,222.80
  5. Step 5: Solve for x
    x = 1,328,028,099,222.80/1,333,519.88
  6. Step 6: Final answer
    x = 995,881.74

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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.