Home / 1,615,275.85-2,229,095.42-890,149.59

Finding the Fourth Proportional to 1,615,275.85, 2,229,095.42 and 890,149.59

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Solution

The fourth proportional to 1,615,275.85, 2,229,095.42 and 890,149.59 is: 1,228,414.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,275.85 : 2,229,095.42 = 890,149.59 : x
  2. Step 2: Convert to fraction form
    1,615,275.85/2,229,095.42 = 890,149.59/x
  3. Step 3: Cross multiply
    1,615,275.85x = 2,229,095.42 × 890,149.59
  4. Step 4: Simplify right side
    1,615,275.85x = 1,984,228,374,183.88
  5. Step 5: Solve for x
    x = 1,984,228,374,183.88/1,615,275.85
  6. Step 6: Final answer
    x = 1,228,414.56

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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.