Home / 1,262,019.56-1,893,148.38-978,028.22

Finding the Fourth Proportional to 1,262,019.56, 1,893,148.38 and 978,028.22

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Solution

The fourth proportional to 1,262,019.56, 1,893,148.38 and 978,028.22 is: 1,467,134.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,019.56 : 1,893,148.38 = 978,028.22 : x
  2. Step 2: Convert to fraction form
    1,262,019.56/1,893,148.38 = 978,028.22/x
  3. Step 3: Cross multiply
    1,262,019.56x = 1,893,148.38 × 978,028.22
  4. Step 4: Simplify right side
    1,262,019.56x = 1,851,552,540,287.28
  5. Step 5: Solve for x
    x = 1,851,552,540,287.28/1,262,019.56
  6. Step 6: Final answer
    x = 1,467,134.58

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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.