Home / 1,185,324.75-1,635,748.07-641,460.56

Finding the Fourth Proportional to 1,185,324.75, 1,635,748.07 and 641,460.56

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Solution

The fourth proportional to 1,185,324.75, 1,635,748.07 and 641,460.56 is: 885,215.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,324.75 : 1,635,748.07 = 641,460.56 : x
  2. Step 2: Convert to fraction form
    1,185,324.75/1,635,748.07 = 641,460.56/x
  3. Step 3: Cross multiply
    1,185,324.75x = 1,635,748.07 × 641,460.56
  4. Step 4: Simplify right side
    1,185,324.75x = 1,049,267,861,615.08
  5. Step 5: Solve for x
    x = 1,049,267,861,615.08/1,185,324.75
  6. Step 6: Final answer
    x = 885,215.52

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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.