Home / 1,439,755.82-2,159,896.17-720,473.66

Finding the Fourth Proportional to 1,439,755.82, 2,159,896.17 and 720,473.66

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Solution

The fourth proportional to 1,439,755.82, 2,159,896.17 and 720,473.66 is: 1,080,841.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,755.82 : 2,159,896.17 = 720,473.66 : x
  2. Step 2: Convert to fraction form
    1,439,755.82/2,159,896.17 = 720,473.66/x
  3. Step 3: Cross multiply
    1,439,755.82x = 2,159,896.17 × 720,473.66
  4. Step 4: Simplify right side
    1,439,755.82x = 1,556,148,298,819.88
  5. Step 5: Solve for x
    x = 1,556,148,298,819.88/1,439,755.82
  6. Step 6: Final answer
    x = 1,080,841.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.