Home / 1,097,845.11-1,645,819.97-424,398.15

Finding the Fourth Proportional to 1,097,845.11, 1,645,819.97 and 424,398.15

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Solution

The fourth proportional to 1,097,845.11, 1,645,819.97 and 424,398.15 is: 636,230.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,845.11 : 1,645,819.97 = 424,398.15 : x
  2. Step 2: Convert to fraction form
    1,097,845.11/1,645,819.97 = 424,398.15/x
  3. Step 3: Cross multiply
    1,097,845.11x = 1,645,819.97 × 424,398.15
  4. Step 4: Simplify right side
    1,097,845.11x = 698,482,948,379.07
  5. Step 5: Solve for x
    x = 698,482,948,379.07/1,097,845.11
  6. Step 6: Final answer
    x = 636,230.87

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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.