Home / 1,615,288.44-2,229,112.68-890,162.13

Finding the Fourth Proportional to 1,615,288.44, 2,229,112.68 and 890,162.13

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Solution

The fourth proportional to 1,615,288.44, 2,229,112.68 and 890,162.13 is: 1,228,431.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,288.44 : 2,229,112.68 = 890,162.13 : x
  2. Step 2: Convert to fraction form
    1,615,288.44/2,229,112.68 = 890,162.13/x
  3. Step 3: Cross multiply
    1,615,288.44x = 2,229,112.68 × 890,162.13
  4. Step 4: Simplify right side
    1,615,288.44x = 1,984,271,691,238.81
  5. Step 5: Solve for x
    x = 1,984,271,691,238.81/1,615,288.44
  6. Step 6: Final answer
    x = 1,228,431.80

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.