Home / 1,395,687.30-2,093,506.64-764,256.66

Finding the Fourth Proportional to 1,395,687.30, 2,093,506.64 and 764,256.66

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Solution

The fourth proportional to 1,395,687.30, 2,093,506.64 and 764,256.66 is: 1,146,371.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,687.30 : 2,093,506.64 = 764,256.66 : x
  2. Step 2: Convert to fraction form
    1,395,687.30/2,093,506.64 = 764,256.66/x
  3. Step 3: Cross multiply
    1,395,687.30x = 2,093,506.64 × 764,256.66
  4. Step 4: Simplify right side
    1,395,687.30x = 1,599,976,392,374.22
  5. Step 5: Solve for x
    x = 1,599,976,392,374.22/1,395,687.30
  6. Step 6: Final answer
    x = 1,146,371.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.