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Finding the Fourth Proportional to 1,170,446, 1,755,669.84 and 283,982

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Solution

The fourth proportional to 1,170,446, 1,755,669.84 and 283,982 is: 425,973.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,446 : 1,755,669.84 = 283,982 : x
  2. Step 2: Convert to fraction form
    1,170,446/1,755,669.84 = 283,982/x
  3. Step 3: Cross multiply
    1,170,446x = 1,755,669.84 × 283,982
  4. Step 4: Simplify right side
    1,170,446x = 498,578,632,502.88
  5. Step 5: Solve for x
    x = 498,578,632,502.88/1,170,446
  6. Step 6: Final answer
    x = 425,973.20

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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.