Home / 1,200,071.14-1,799,905.16-401,351.47

Finding the Fourth Proportional to 1,200,071.14, 1,799,905.16 and 401,351.47

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Solution

The fourth proportional to 1,200,071.14, 1,799,905.16 and 401,351.47 is: 601,959.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,071.14 : 1,799,905.16 = 401,351.47 : x
  2. Step 2: Convert to fraction form
    1,200,071.14/1,799,905.16 = 401,351.47/x
  3. Step 3: Cross multiply
    1,200,071.14x = 1,799,905.16 × 401,351.47
  4. Step 4: Simplify right side
    1,200,071.14x = 722,394,579,819.83
  5. Step 5: Solve for x
    x = 722,394,579,819.83/1,200,071.14
  6. Step 6: Final answer
    x = 601,959.80

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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.