Home / 1,185,647.25-1,778,753.97-386,930.28

Finding the Fourth Proportional to 1,185,647.25, 1,778,753.97 and 386,930.28

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Solution

The fourth proportional to 1,185,647.25, 1,778,753.97 and 386,930.28 is: 580,487.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,647.25 : 1,778,753.97 = 386,930.28 : x
  2. Step 2: Convert to fraction form
    1,185,647.25/1,778,753.97 = 386,930.28/x
  3. Step 3: Cross multiply
    1,185,647.25x = 1,778,753.97 × 386,930.28
  4. Step 4: Simplify right side
    1,185,647.25x = 688,253,771,663.21
  5. Step 5: Solve for x
    x = 688,253,771,663.21/1,185,647.25
  6. Step 6: Final answer
    x = 580,487.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.