Home / 1,098,834.98-1,645,299.42-697,301.78

Finding the Fourth Proportional to 1,098,834.98, 1,645,299.42 and 697,301.78

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Solution

The fourth proportional to 1,098,834.98, 1,645,299.42 and 697,301.78 is: 1,044,078.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,834.98 : 1,645,299.42 = 697,301.78 : x
  2. Step 2: Convert to fraction form
    1,098,834.98/1,645,299.42 = 697,301.78/x
  3. Step 3: Cross multiply
    1,098,834.98x = 1,645,299.42 × 697,301.78
  4. Step 4: Simplify right side
    1,098,834.98x = 1,147,270,214,198.97
  5. Step 5: Solve for x
    x = 1,147,270,214,198.97/1,098,834.98
  6. Step 6: Final answer
    x = 1,044,078.72

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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.