Home / 1,333,079.72-1,839,645.04-721,230.52

Finding the Fourth Proportional to 1,333,079.72, 1,839,645.04 and 721,230.52

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Solution

The fourth proportional to 1,333,079.72, 1,839,645.04 and 721,230.52 is: 995,295.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,079.72 : 1,839,645.04 = 721,230.52 : x
  2. Step 2: Convert to fraction form
    1,333,079.72/1,839,645.04 = 721,230.52/x
  3. Step 3: Cross multiply
    1,333,079.72x = 1,839,645.04 × 721,230.52
  4. Step 4: Simplify right side
    1,333,079.72x = 1,326,808,148,814.62
  5. Step 5: Solve for x
    x = 1,326,808,148,814.62/1,333,079.72
  6. Step 6: Final answer
    x = 995,295.43

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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.