Home / 1,086,728.52-1,627,972.14-711,614.28

Finding the Fourth Proportional to 1,086,728.52, 1,627,972.14 and 711,614.28

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Solution

The fourth proportional to 1,086,728.52, 1,627,972.14 and 711,614.28 is: 1,066,032.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,728.52 : 1,627,972.14 = 711,614.28 : x
  2. Step 2: Convert to fraction form
    1,086,728.52/1,627,972.14 = 711,614.28/x
  3. Step 3: Cross multiply
    1,086,728.52x = 1,627,972.14 × 711,614.28
  4. Step 4: Simplify right side
    1,086,728.52x = 1,158,488,222,266.16
  5. Step 5: Solve for x
    x = 1,158,488,222,266.16/1,086,728.52
  6. Step 6: Final answer
    x = 1,066,032.78

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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.