Home / 1,755,477.91-2,632,469.14-689,772.39

Finding the Fourth Proportional to 1,755,477.91, 2,632,469.14 and 689,772.39

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Solution

The fourth proportional to 1,755,477.91, 2,632,469.14 and 689,772.39 is: 1,034,364.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,477.91 : 2,632,469.14 = 689,772.39 : x
  2. Step 2: Convert to fraction form
    1,755,477.91/2,632,469.14 = 689,772.39/x
  3. Step 3: Cross multiply
    1,755,477.91x = 2,632,469.14 × 689,772.39
  4. Step 4: Simplify right side
    1,755,477.91x = 1,815,804,530,299.04
  5. Step 5: Solve for x
    x = 1,815,804,530,299.04/1,755,477.91
  6. Step 6: Final answer
    x = 1,034,364.78

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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.