Home / 1,200,071.64-1,799,905.91-401,351.97

Finding the Fourth Proportional to 1,200,071.64, 1,799,905.91 and 401,351.97

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Solution

The fourth proportional to 1,200,071.64, 1,799,905.91 and 401,351.97 is: 601,960.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,071.64 : 1,799,905.91 = 401,351.97 : x
  2. Step 2: Convert to fraction form
    1,200,071.64/1,799,905.91 = 401,351.97/x
  3. Step 3: Cross multiply
    1,200,071.64x = 1,799,905.91 × 401,351.97
  4. Step 4: Simplify right side
    1,200,071.64x = 722,395,780,786.38
  5. Step 5: Solve for x
    x = 722,395,780,786.38/1,200,071.64
  6. Step 6: Final answer
    x = 601,960.55

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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.