Home / 1,137,181.43-1,705,655.03-378,940.93

Finding the Fourth Proportional to 1,137,181.43, 1,705,655.03 and 378,940.93

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Solution

The fourth proportional to 1,137,181.43, 1,705,655.03 and 378,940.93 is: 568,372.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,181.43 : 1,705,655.03 = 378,940.93 : x
  2. Step 2: Convert to fraction form
    1,137,181.43/1,705,655.03 = 378,940.93/x
  3. Step 3: Cross multiply
    1,137,181.43x = 1,705,655.03 × 378,940.93
  4. Step 4: Simplify right side
    1,137,181.43x = 646,342,497,168.54
  5. Step 5: Solve for x
    x = 646,342,497,168.54/1,137,181.43
  6. Step 6: Final answer
    x = 568,372.36

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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.