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Finding the Fourth Proportional to 1,755,180, 2,632,770 and 425,484

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Solution

The fourth proportional to 1,755,180, 2,632,770 and 425,484 is: 638,226

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,180 : 2,632,770 = 425,484 : x
  2. Step 2: Convert to fraction form
    1,755,180/2,632,770 = 425,484/x
  3. Step 3: Cross multiply
    1,755,180x = 2,632,770 × 425,484
  4. Step 4: Simplify right side
    1,755,180x = 1,120,201,510,680
  5. Step 5: Solve for x
    x = 1,120,201,510,680/1,755,180
  6. Step 6: Final answer
    x = 638,226

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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.