Home / 1,293,144.27-1,784,594.45-720,184.44

Finding the Fourth Proportional to 1,293,144.27, 1,784,594.45 and 720,184.44

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Solution

The fourth proportional to 1,293,144.27, 1,784,594.45 and 720,184.44 is: 993,885.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,144.27 : 1,784,594.45 = 720,184.44 : x
  2. Step 2: Convert to fraction form
    1,293,144.27/1,784,594.45 = 720,184.44/x
  3. Step 3: Cross multiply
    1,293,144.27x = 1,784,594.45 × 720,184.44
  4. Step 4: Simplify right side
    1,293,144.27x = 1,285,237,150,999.44
  5. Step 5: Solve for x
    x = 1,285,237,150,999.44/1,293,144.27
  6. Step 6: Final answer
    x = 993,885.35

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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.