Home / 1,342,538.12-2,013,327.66-443,813.96

Finding the Fourth Proportional to 1,342,538.12, 2,013,327.66 and 443,813.96

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Solution

The fourth proportional to 1,342,538.12, 2,013,327.66 and 443,813.96 is: 665,562.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,538.12 : 2,013,327.66 = 443,813.96 : x
  2. Step 2: Convert to fraction form
    1,342,538.12/2,013,327.66 = 443,813.96/x
  3. Step 3: Cross multiply
    1,342,538.12x = 2,013,327.66 × 443,813.96
  4. Step 4: Simplify right side
    1,342,538.12x = 893,542,921,562.13
  5. Step 5: Solve for x
    x = 893,542,921,562.13/1,342,538.12
  6. Step 6: Final answer
    x = 665,562.42

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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.