Home / 1,097,902.67-1,645,590.20-423,685.80

Finding the Fourth Proportional to 1,097,902.67, 1,645,590.20 and 423,685.80

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Solution

The fourth proportional to 1,097,902.67, 1,645,590.20 and 423,685.80 is: 635,040.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,902.67 : 1,645,590.20 = 423,685.80 : x
  2. Step 2: Convert to fraction form
    1,097,902.67/1,645,590.20 = 423,685.80/x
  3. Step 3: Cross multiply
    1,097,902.67x = 1,645,590.20 × 423,685.80
  4. Step 4: Simplify right side
    1,097,902.67x = 697,213,198,240.73
  5. Step 5: Solve for x
    x = 697,213,198,240.73/1,097,902.67
  6. Step 6: Final answer
    x = 635,040.99

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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.