Home / 1,108,110.83-1,662,302.33-378,754.70

Finding the Fourth Proportional to 1,108,110.83, 1,662,302.33 and 378,754.70

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Solution

The fourth proportional to 1,108,110.83, 1,662,302.33 and 378,754.70 is: 568,178.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,110.83 : 1,662,302.33 = 378,754.70 : x
  2. Step 2: Convert to fraction form
    1,108,110.83/1,662,302.33 = 378,754.70/x
  3. Step 3: Cross multiply
    1,108,110.83x = 1,662,302.33 × 378,754.70
  4. Step 4: Simplify right side
    1,108,110.83x = 629,604,820,308.45
  5. Step 5: Solve for x
    x = 629,604,820,308.45/1,108,110.83
  6. Step 6: Final answer
    x = 568,178.56

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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.