Home / 1,610,638.72-2,222,624.84-885,481.20

Finding the Fourth Proportional to 1,610,638.72, 2,222,624.84 and 885,481.20

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Solution

The fourth proportional to 1,610,638.72, 2,222,624.84 and 885,481.20 is: 1,221,932.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610,638.72 : 2,222,624.84 = 885,481.20 : x
  2. Step 2: Convert to fraction form
    1,610,638.72/2,222,624.84 = 885,481.20/x
  3. Step 3: Cross multiply
    1,610,638.72x = 2,222,624.84 × 885,481.20
  4. Step 4: Simplify right side
    1,610,638.72x = 1,968,092,510,473.01
  5. Step 5: Solve for x
    x = 1,968,092,510,473.01/1,610,638.72
  6. Step 6: Final answer
    x = 1,221,932.94

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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.