Home / 1,755,076.78-2,632,615.20-425,380.78

Finding the Fourth Proportional to 1,755,076.78, 2,632,615.20 and 425,380.78

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Solution

The fourth proportional to 1,755,076.78, 2,632,615.20 and 425,380.78 is: 638,071.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,076.78 : 2,632,615.20 = 425,380.78 : x
  2. Step 2: Convert to fraction form
    1,755,076.78/2,632,615.20 = 425,380.78/x
  3. Step 3: Cross multiply
    1,755,076.78x = 2,632,615.20 × 425,380.78
  4. Step 4: Simplify right side
    1,755,076.78x = 1,119,863,907,215.86
  5. Step 5: Solve for x
    x = 1,119,863,907,215.86/1,755,076.78
  6. Step 6: Final answer
    x = 638,071.18

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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.