Home / 1,137,110.15-1,705,548.33-378,869.72

Finding the Fourth Proportional to 1,137,110.15, 1,705,548.33 and 378,869.72

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Solution

The fourth proportional to 1,137,110.15, 1,705,548.33 and 378,869.72 is: 568,265.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,110.15 : 1,705,548.33 = 378,869.72 : x
  2. Step 2: Convert to fraction form
    1,137,110.15/1,705,548.33 = 378,869.72/x
  3. Step 3: Cross multiply
    1,137,110.15x = 1,705,548.33 × 378,869.72
  4. Step 4: Simplify right side
    1,137,110.15x = 646,180,622,497.44
  5. Step 5: Solve for x
    x = 646,180,622,497.44/1,137,110.15
  6. Step 6: Final answer
    x = 568,265.64

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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.