Home / 1,302,722.40-1,797,754.16-721,982.64

Finding the Fourth Proportional to 1,302,722.40, 1,797,754.16 and 721,982.64

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Solution

The fourth proportional to 1,302,722.40, 1,797,754.16 and 721,982.64 is: 996,334.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,722.40 : 1,797,754.16 = 721,982.64 : x
  2. Step 2: Convert to fraction form
    1,302,722.40/1,797,754.16 = 721,982.64/x
  3. Step 3: Cross multiply
    1,302,722.40x = 1,797,754.16 × 721,982.64
  4. Step 4: Simplify right side
    1,302,722.40x = 1,297,947,294,507.78
  5. Step 5: Solve for x
    x = 1,297,947,294,507.78/1,302,722.40
  6. Step 6: Final answer
    x = 996,334.52

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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.