Home / 1,331,601-1,837,615.86-727,989

Finding the Fourth Proportional to 1,331,601, 1,837,615.86 and 727,989

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Solution

The fourth proportional to 1,331,601, 1,837,615.86 and 727,989 is: 1,004,628.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,601 : 1,837,615.86 = 727,989 : x
  2. Step 2: Convert to fraction form
    1,331,601/1,837,615.86 = 727,989/x
  3. Step 3: Cross multiply
    1,331,601x = 1,837,615.86 × 727,989
  4. Step 4: Simplify right side
    1,331,601x = 1,337,764,132,305.54
  5. Step 5: Solve for x
    x = 1,337,764,132,305.54/1,331,601
  6. Step 6: Final answer
    x = 1,004,628.36

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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.