Home / 1,090,073.70-1,635,110.55-810,137.70

Finding the Fourth Proportional to 1,090,073.70, 1,635,110.55 and 810,137.70

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Solution

The fourth proportional to 1,090,073.70, 1,635,110.55 and 810,137.70 is: 1,215,206.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,073.70 : 1,635,110.55 = 810,137.70 : x
  2. Step 2: Convert to fraction form
    1,090,073.70/1,635,110.55 = 810,137.70/x
  3. Step 3: Cross multiply
    1,090,073.70x = 1,635,110.55 × 810,137.70
  4. Step 4: Simplify right side
    1,090,073.70x = 1,324,664,700,222.73
  5. Step 5: Solve for x
    x = 1,324,664,700,222.73/1,090,073.70
  6. Step 6: Final answer
    x = 1,215,206.55

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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.