Home / 1,384,621.24-2,072,909.53-806,481.72

Finding the Fourth Proportional to 1,384,621.24, 2,072,909.53 and 806,481.72

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Solution

The fourth proportional to 1,384,621.24, 2,072,909.53 and 806,481.72 is: 1,207,379.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,621.24 : 2,072,909.53 = 806,481.72 : x
  2. Step 2: Convert to fraction form
    1,384,621.24/2,072,909.53 = 806,481.72/x
  3. Step 3: Cross multiply
    1,384,621.24x = 2,072,909.53 × 806,481.72
  4. Step 4: Simplify right side
    1,384,621.24x = 1,671,763,643,158.79
  5. Step 5: Solve for x
    x = 1,671,763,643,158.79/1,384,621.24
  6. Step 6: Final answer
    x = 1,207,379.75

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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.