Home / 1,231,468.92-1,699,409.46-687,613.25

Finding the Fourth Proportional to 1,231,468.92, 1,699,409.46 and 687,613.25

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Solution

The fourth proportional to 1,231,468.92, 1,699,409.46 and 687,613.25 is: 948,896.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,468.92 : 1,699,409.46 = 687,613.25 : x
  2. Step 2: Convert to fraction form
    1,231,468.92/1,699,409.46 = 687,613.25/x
  3. Step 3: Cross multiply
    1,231,468.92x = 1,699,409.46 × 687,613.25
  4. Step 4: Simplify right side
    1,231,468.92x = 1,168,536,468,698.42
  5. Step 5: Solve for x
    x = 1,168,536,468,698.42/1,231,468.92
  6. Step 6: Final answer
    x = 948,896.44

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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.