Home / 1,491,636.14-2,238,429.90-818,191.52

Finding the Fourth Proportional to 1,491,636.14, 2,238,429.90 and 818,191.52

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Solution

The fourth proportional to 1,491,636.14, 2,238,429.90 and 818,191.52 is: 1,227,822.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,636.14 : 2,238,429.90 = 818,191.52 : x
  2. Step 2: Convert to fraction form
    1,491,636.14/2,238,429.90 = 818,191.52/x
  3. Step 3: Cross multiply
    1,491,636.14x = 2,238,429.90 × 818,191.52
  4. Step 4: Simplify right side
    1,491,636.14x = 1,831,464,351,102.30
  5. Step 5: Solve for x
    x = 1,831,464,351,102.30/1,491,636.14
  6. Step 6: Final answer
    x = 1,227,822.46

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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.