Home / 1,293,302.44-1,784,711.10-720,311.68

Finding the Fourth Proportional to 1,293,302.44, 1,784,711.10 and 720,311.68

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Solution

The fourth proportional to 1,293,302.44, 1,784,711.10 and 720,311.68 is: 994,004.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,302.44 : 1,784,711.10 = 720,311.68 : x
  2. Step 2: Convert to fraction form
    1,293,302.44/1,784,711.10 = 720,311.68/x
  3. Step 3: Cross multiply
    1,293,302.44x = 1,784,711.10 × 720,311.68
  4. Step 4: Simplify right side
    1,293,302.44x = 1,285,548,250,755.65
  5. Step 5: Solve for x
    x = 1,285,548,250,755.65/1,293,302.44
  6. Step 6: Final answer
    x = 994,004.35

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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.