Home / 1,331,655-1,837,729.26-728,081.88

Finding the Fourth Proportional to 1,331,655, 1,837,729.26 and 728,081.88

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Solution

The fourth proportional to 1,331,655, 1,837,729.26 and 728,081.88 is: 1,004,777.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,655 : 1,837,729.26 = 728,081.88 : x
  2. Step 2: Convert to fraction form
    1,331,655/1,837,729.26 = 728,081.88/x
  3. Step 3: Cross multiply
    1,331,655x = 1,837,729.26 × 728,081.88
  4. Step 4: Simplify right side
    1,331,655x = 1,338,017,374,551.81
  5. Step 5: Solve for x
    x = 1,338,017,374,551.81/1,331,655
  6. Step 6: Final answer
    x = 1,004,777.79

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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.