Home / 843,979.47-1,165,234.86-753,179.46

Finding the Fourth Proportional to 843,979.47, 1,165,234.86 and 753,179.46

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Solution

The fourth proportional to 843,979.47, 1,165,234.86 and 753,179.46 is: 1,039,872.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,979.47 : 1,165,234.86 = 753,179.46 : x
  2. Step 2: Convert to fraction form
    843,979.47/1,165,234.86 = 753,179.46/x
  3. Step 3: Cross multiply
    843,979.47x = 1,165,234.86 × 753,179.46
  4. Step 4: Simplify right side
    843,979.47x = 877,630,962,627.98
  5. Step 5: Solve for x
    x = 877,630,962,627.98/843,979.47
  6. Step 6: Final answer
    x = 1,039,872.41

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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.