Home / 1,293,145.27-1,784,595.83-720,185.44

Finding the Fourth Proportional to 1,293,145.27, 1,784,595.83 and 720,185.44

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Solution

The fourth proportional to 1,293,145.27, 1,784,595.83 and 720,185.44 is: 993,886.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,145.27 : 1,784,595.83 = 720,185.44 : x
  2. Step 2: Convert to fraction form
    1,293,145.27/1,784,595.83 = 720,185.44/x
  3. Step 3: Cross multiply
    1,293,145.27x = 1,784,595.83 × 720,185.44
  4. Step 4: Simplify right side
    1,293,145.27x = 1,285,239,933,050.72
  5. Step 5: Solve for x
    x = 1,285,239,933,050.72/1,293,145.27
  6. Step 6: Final answer
    x = 993,886.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.