Home / 1,616,090.96-2,230,222.71-890,964.65

Finding the Fourth Proportional to 1,616,090.96, 2,230,222.71 and 890,964.65

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Solution

The fourth proportional to 1,616,090.96, 2,230,222.71 and 890,964.65 is: 1,229,540.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,090.96 : 2,230,222.71 = 890,964.65 : x
  2. Step 2: Convert to fraction form
    1,616,090.96/2,230,222.71 = 890,964.65/x
  3. Step 3: Cross multiply
    1,616,090.96x = 2,230,222.71 × 890,964.65
  4. Step 4: Simplify right side
    1,616,090.96x = 1,987,049,591,782.38
  5. Step 5: Solve for x
    x = 1,987,049,591,782.38/1,616,090.96
  6. Step 6: Final answer
    x = 1,229,540.69

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1.5x scale

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.