Home / 1,222,941.27-1,687,701.41-679,086.16

Finding the Fourth Proportional to 1,222,941.27, 1,687,701.41 and 679,086.16

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Solution

The fourth proportional to 1,222,941.27, 1,687,701.41 and 679,086.16 is: 937,162.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,941.27 : 1,687,701.41 = 679,086.16 : x
  2. Step 2: Convert to fraction form
    1,222,941.27/1,687,701.41 = 679,086.16/x
  3. Step 3: Cross multiply
    1,222,941.27x = 1,687,701.41 × 679,086.16
  4. Step 4: Simplify right side
    1,222,941.27x = 1,146,094,669,743.49
  5. Step 5: Solve for x
    x = 1,146,094,669,743.49/1,222,941.27
  6. Step 6: Final answer
    x = 937,162.48

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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.