Home / 1,321,168.39-1,981,266.52-456,383.26

Finding the Fourth Proportional to 1,321,168.39, 1,981,266.52 and 456,383.26

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Solution

The fourth proportional to 1,321,168.39, 1,981,266.52 and 456,383.26 is: 684,406.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,168.39 : 1,981,266.52 = 456,383.26 : x
  2. Step 2: Convert to fraction form
    1,321,168.39/1,981,266.52 = 456,383.26/x
  3. Step 3: Cross multiply
    1,321,168.39x = 1,981,266.52 × 456,383.26
  4. Step 4: Simplify right side
    1,321,168.39x = 904,216,873,326.46
  5. Step 5: Solve for x
    x = 904,216,873,326.46/1,321,168.39
  6. Step 6: Final answer
    x = 684,406.98

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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.