Home / 1,331,436-1,837,388.24-727,824

Finding the Fourth Proportional to 1,331,436, 1,837,388.24 and 727,824

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Solution

The fourth proportional to 1,331,436, 1,837,388.24 and 727,824 is: 1,004,400.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,436 : 1,837,388.24 = 727,824 : x
  2. Step 2: Convert to fraction form
    1,331,436/1,837,388.24 = 727,824/x
  3. Step 3: Cross multiply
    1,331,436x = 1,837,388.24 × 727,824
  4. Step 4: Simplify right side
    1,331,436x = 1,337,295,258,389.76
  5. Step 5: Solve for x
    x = 1,337,295,258,389.76/1,331,436
  6. Step 6: Final answer
    x = 1,004,400.71

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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.