Home / 1,097,006.45-1,645,552.73-338,780.38

Finding the Fourth Proportional to 1,097,006.45, 1,645,552.73 and 338,780.38

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Solution

The fourth proportional to 1,097,006.45, 1,645,552.73 and 338,780.38 is: 508,183.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,006.45 : 1,645,552.73 = 338,780.38 : x
  2. Step 2: Convert to fraction form
    1,097,006.45/1,645,552.73 = 338,780.38/x
  3. Step 3: Cross multiply
    1,097,006.45x = 1,645,552.73 × 338,780.38
  4. Step 4: Simplify right side
    1,097,006.45x = 557,480,979,542.48
  5. Step 5: Solve for x
    x = 557,480,979,542.48/1,097,006.45
  6. Step 6: Final answer
    x = 508,183.87

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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.