Home / 1,071,781.30-1,608,163.08-464,755.78

Finding the Fourth Proportional to 1,071,781.30, 1,608,163.08 and 464,755.78

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Solution

The fourth proportional to 1,071,781.30, 1,608,163.08 and 464,755.78 is: 697,346.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,781.30 : 1,608,163.08 = 464,755.78 : x
  2. Step 2: Convert to fraction form
    1,071,781.30/1,608,163.08 = 464,755.78/x
  3. Step 3: Cross multiply
    1,071,781.30x = 1,608,163.08 × 464,755.78
  4. Step 4: Simplify right side
    1,071,781.30x = 747,403,086,612.60
  5. Step 5: Solve for x
    x = 747,403,086,612.60/1,071,781.30
  6. Step 6: Final answer
    x = 697,346.64

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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.