Home / 1,150,609.92-1,587,849.04-641,344.56

Finding the Fourth Proportional to 1,150,609.92, 1,587,849.04 and 641,344.56

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Solution

The fourth proportional to 1,150,609.92, 1,587,849.04 and 641,344.56 is: 885,059.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,609.92 : 1,587,849.04 = 641,344.56 : x
  2. Step 2: Convert to fraction form
    1,150,609.92/1,587,849.04 = 641,344.56/x
  3. Step 3: Cross multiply
    1,150,609.92x = 1,587,849.04 × 641,344.56
  4. Step 4: Simplify right side
    1,150,609.92x = 1,018,358,343,905.22
  5. Step 5: Solve for x
    x = 1,018,358,343,905.22/1,150,609.92
  6. Step 6: Final answer
    x = 885,059.59

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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.