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Finding the Fourth Proportional to 806,975.10, 1,210,462.65 and 798,680.70

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Solution

The fourth proportional to 806,975.10, 1,210,462.65 and 798,680.70 is: 1,198,021.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,975.10 : 1,210,462.65 = 798,680.70 : x
  2. Step 2: Convert to fraction form
    806,975.10/1,210,462.65 = 798,680.70/x
  3. Step 3: Cross multiply
    806,975.10x = 1,210,462.65 × 798,680.70
  4. Step 4: Simplify right side
    806,975.10x = 966,773,156,625.86
  5. Step 5: Solve for x
    x = 966,773,156,625.86/806,975.10
  6. Step 6: Final answer
    x = 1,198,021.05

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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.