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Finding the Fourth Proportional to 1,205,217.98, 1,663,980 and 746,819

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Solution

The fourth proportional to 1,205,217.98, 1,663,980 and 746,819 is: 1,031,093.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,217.98 : 1,663,980 = 746,819 : x
  2. Step 2: Convert to fraction form
    1,205,217.98/1,663,980 = 746,819/x
  3. Step 3: Cross multiply
    1,205,217.98x = 1,663,980 × 746,819
  4. Step 4: Simplify right side
    1,205,217.98x = 1,242,691,879,620
  5. Step 5: Solve for x
    x = 1,242,691,879,620/1,205,217.98
  6. Step 6: Final answer
    x = 1,031,093.05

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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.