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Finding the Fourth Proportional to 867,698.32, 1,196,806.44 and 796,308.88

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Solution

The fourth proportional to 867,698.32, 1,196,806.44 and 796,308.88 is: 1,098,339.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,698.32 : 1,196,806.44 = 796,308.88 : x
  2. Step 2: Convert to fraction form
    867,698.32/1,196,806.44 = 796,308.88/x
  3. Step 3: Cross multiply
    867,698.32x = 1,196,806.44 × 796,308.88
  4. Step 4: Simplify right side
    867,698.32x = 953,027,595,813.19
  5. Step 5: Solve for x
    x = 953,027,595,813.19/867,698.32
  6. Step 6: Final answer
    x = 1,098,339.80

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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.