Home / 1,615,499.22-2,229,297.99-890,344.65

Finding the Fourth Proportional to 1,615,499.22, 2,229,297.99 and 890,344.65

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Solution

The fourth proportional to 1,615,499.22, 2,229,297.99 and 890,344.65 is: 1,228,625.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,499.22 : 2,229,297.99 = 890,344.65 : x
  2. Step 2: Convert to fraction form
    1,615,499.22/2,229,297.99 = 890,344.65/x
  3. Step 3: Cross multiply
    1,615,499.22x = 2,229,297.99 × 890,344.65
  4. Step 4: Simplify right side
    1,615,499.22x = 1,984,843,523,054.04
  5. Step 5: Solve for x
    x = 1,984,843,523,054.04/1,615,499.22
  6. Step 6: Final answer
    x = 1,228,625.50

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Why These Related Problems?

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