Home / 1,214,229.69-1,822,296.18-847,103.77

Finding the Fourth Proportional to 1,214,229.69, 1,822,296.18 and 847,103.77

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Solution

The fourth proportional to 1,214,229.69, 1,822,296.18 and 847,103.77 is: 1,271,319.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,229.69 : 1,822,296.18 = 847,103.77 : x
  2. Step 2: Convert to fraction form
    1,214,229.69/1,822,296.18 = 847,103.77/x
  3. Step 3: Cross multiply
    1,214,229.69x = 1,822,296.18 × 847,103.77
  4. Step 4: Simplify right side
    1,214,229.69x = 1,543,673,969,589.11
  5. Step 5: Solve for x
    x = 1,543,673,969,589.11/1,214,229.69
  6. Step 6: Final answer
    x = 1,271,319.57

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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.