Home / 1,615,500.22-2,229,299.36-890,345.64

Finding the Fourth Proportional to 1,615,500.22, 2,229,299.36 and 890,345.64

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Solution

The fourth proportional to 1,615,500.22, 2,229,299.36 and 890,345.64 is: 1,228,626.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,500.22 : 2,229,299.36 = 890,345.64 : x
  2. Step 2: Convert to fraction form
    1,615,500.22/2,229,299.36 = 890,345.64/x
  3. Step 3: Cross multiply
    1,615,500.22x = 2,229,299.36 × 890,345.64
  4. Step 4: Simplify right side
    1,615,500.22x = 1,984,846,965,430.79
  5. Step 5: Solve for x
    x = 1,984,846,965,430.79/1,615,500.22
  6. Step 6: Final answer
    x = 1,228,626.86

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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.