Home / 1,198,685.64-1,797,426.54-399,684.36

Finding the Fourth Proportional to 1,198,685.64, 1,797,426.54 and 399,684.36

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Solution

The fourth proportional to 1,198,685.64, 1,797,426.54 and 399,684.36 is: 599,325.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,685.64 : 1,797,426.54 = 399,684.36 : x
  2. Step 2: Convert to fraction form
    1,198,685.64/1,797,426.54 = 399,684.36/x
  3. Step 3: Cross multiply
    1,198,685.64x = 1,797,426.54 × 399,684.36
  4. Step 4: Simplify right side
    1,198,685.64x = 718,403,276,286.91
  5. Step 5: Solve for x
    x = 718,403,276,286.91/1,198,685.64
  6. Step 6: Final answer
    x = 599,325.84

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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.