Home / 1,217,818.80-1,826,843.40-331,354.80

Finding the Fourth Proportional to 1,217,818.80, 1,826,843.40 and 331,354.80

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Solution

The fourth proportional to 1,217,818.80, 1,826,843.40 and 331,354.80 is: 497,063.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,818.80 : 1,826,843.40 = 331,354.80 : x
  2. Step 2: Convert to fraction form
    1,217,818.80/1,826,843.40 = 331,354.80/x
  3. Step 3: Cross multiply
    1,217,818.80x = 1,826,843.40 × 331,354.80
  4. Step 4: Simplify right side
    1,217,818.80x = 605,333,329,438.32
  5. Step 5: Solve for x
    x = 605,333,329,438.32/1,217,818.80
  6. Step 6: Final answer
    x = 497,063.54

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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.