Home / 1,561,122.72-2,154,321.36-882,044.64

Finding the Fourth Proportional to 1,561,122.72, 2,154,321.36 and 882,044.64

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Solution

The fourth proportional to 1,561,122.72, 2,154,321.36 and 882,044.64 is: 1,217,205.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,122.72 : 2,154,321.36 = 882,044.64 : x
  2. Step 2: Convert to fraction form
    1,561,122.72/2,154,321.36 = 882,044.64/x
  3. Step 3: Cross multiply
    1,561,122.72x = 2,154,321.36 × 882,044.64
  4. Step 4: Simplify right side
    1,561,122.72x = 1,900,207,608,425.51
  5. Step 5: Solve for x
    x = 1,900,207,608,425.51/1,561,122.72
  6. Step 6: Final answer
    x = 1,217,205.79

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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.