Home / 1,092,054.38-1,638,164.39-372,172.28

Finding the Fourth Proportional to 1,092,054.38, 1,638,164.39 and 372,172.28

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Solution

The fourth proportional to 1,092,054.38, 1,638,164.39 and 372,172.28 is: 558,286.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,054.38 : 1,638,164.39 = 372,172.28 : x
  2. Step 2: Convert to fraction form
    1,092,054.38/1,638,164.39 = 372,172.28/x
  3. Step 3: Cross multiply
    1,092,054.38x = 1,638,164.39 × 372,172.28
  4. Step 4: Simplify right side
    1,092,054.38x = 609,679,365,989.43
  5. Step 5: Solve for x
    x = 609,679,365,989.43/1,092,054.38
  6. Step 6: Final answer
    x = 558,286.64

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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.