Home / 1,078,505.33-1,488,876.64-670,738.57

Finding the Fourth Proportional to 1,078,505.33, 1,488,876.64 and 670,738.57

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Solution

The fourth proportional to 1,078,505.33, 1,488,876.64 and 670,738.57 is: 925,954.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,505.33 : 1,488,876.64 = 670,738.57 : x
  2. Step 2: Convert to fraction form
    1,078,505.33/1,488,876.64 = 670,738.57/x
  3. Step 3: Cross multiply
    1,078,505.33x = 1,488,876.64 × 670,738.57
  4. Step 4: Simplify right side
    1,078,505.33x = 998,646,995,168.80
  5. Step 5: Solve for x
    x = 998,646,995,168.80/1,078,505.33
  6. Step 6: Final answer
    x = 925,954.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.