Home / 820,184.10-1,230,276.15-809,124.90

Finding the Fourth Proportional to 820,184.10, 1,230,276.15 and 809,124.90

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Solution

The fourth proportional to 820,184.10, 1,230,276.15 and 809,124.90 is: 1,213,687.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,184.10 : 1,230,276.15 = 809,124.90 : x
  2. Step 2: Convert to fraction form
    820,184.10/1,230,276.15 = 809,124.90/x
  3. Step 3: Cross multiply
    820,184.10x = 1,230,276.15 × 809,124.90
  4. Step 4: Simplify right side
    820,184.10x = 995,447,066,841.14
  5. Step 5: Solve for x
    x = 995,447,066,841.14/820,184.10
  6. Step 6: Final answer
    x = 1,213,687.35

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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.