Home / 1,086,979.16-1,629,942.06-455,723.48

Finding the Fourth Proportional to 1,086,979.16, 1,629,942.06 and 455,723.48

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Solution

The fourth proportional to 1,086,979.16, 1,629,942.06 and 455,723.48 is: 683,364.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,979.16 : 1,629,942.06 = 455,723.48 : x
  2. Step 2: Convert to fraction form
    1,086,979.16/1,629,942.06 = 455,723.48/x
  3. Step 3: Cross multiply
    1,086,979.16x = 1,629,942.06 × 455,723.48
  4. Step 4: Simplify right side
    1,086,979.16x = 742,802,867,781.57
  5. Step 5: Solve for x
    x = 742,802,867,781.57/1,086,979.16
  6. Step 6: Final answer
    x = 683,364.41

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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.