Home / 1,108,894.73-1,663,091.19-509,279.47

Finding the Fourth Proportional to 1,108,894.73, 1,663,091.19 and 509,279.47

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Solution

The fourth proportional to 1,108,894.73, 1,663,091.19 and 509,279.47 is: 763,803.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,894.73 : 1,663,091.19 = 509,279.47 : x
  2. Step 2: Convert to fraction form
    1,108,894.73/1,663,091.19 = 509,279.47/x
  3. Step 3: Cross multiply
    1,108,894.73x = 1,663,091.19 × 509,279.47
  4. Step 4: Simplify right side
    1,108,894.73x = 846,978,195,647.14
  5. Step 5: Solve for x
    x = 846,978,195,647.14/1,108,894.73
  6. Step 6: Final answer
    x = 763,803.97

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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.