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Finding the Fourth Proportional to 1,170,072, 1,755,108 and 283,608

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Solution

The fourth proportional to 1,170,072, 1,755,108 and 283,608 is: 425,412

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,072 : 1,755,108 = 283,608 : x
  2. Step 2: Convert to fraction form
    1,170,072/1,755,108 = 283,608/x
  3. Step 3: Cross multiply
    1,170,072x = 1,755,108 × 283,608
  4. Step 4: Simplify right side
    1,170,072x = 497,762,669,664
  5. Step 5: Solve for x
    x = 497,762,669,664/1,170,072
  6. Step 6: Final answer
    x = 425,412

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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.