Home / 1,126,486.20-1,693,272.24-978,568.45

Finding the Fourth Proportional to 1,126,486.20, 1,693,272.24 and 978,568.45

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Solution

The fourth proportional to 1,126,486.20, 1,693,272.24 and 978,568.45 is: 1,470,930.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,486.20 : 1,693,272.24 = 978,568.45 : x
  2. Step 2: Convert to fraction form
    1,126,486.20/1,693,272.24 = 978,568.45/x
  3. Step 3: Cross multiply
    1,126,486.20x = 1,693,272.24 × 978,568.45
  4. Step 4: Simplify right side
    1,126,486.20x = 1,656,982,791,324.83
  5. Step 5: Solve for x
    x = 1,656,982,791,324.83/1,126,486.20
  6. Step 6: Final answer
    x = 1,470,930.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.