Home / 1,108,034.70-1,661,566.05-508,796.70

Finding the Fourth Proportional to 1,108,034.70, 1,661,566.05 and 508,796.70

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Solution

The fourth proportional to 1,108,034.70, 1,661,566.05 and 508,796.70 is: 762,971.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,034.70 : 1,661,566.05 = 508,796.70 : x
  2. Step 2: Convert to fraction form
    1,108,034.70/1,661,566.05 = 508,796.70/x
  3. Step 3: Cross multiply
    1,108,034.70x = 1,661,566.05 × 508,796.70
  4. Step 4: Simplify right side
    1,108,034.70x = 845,399,323,072.04
  5. Step 5: Solve for x
    x = 845,399,323,072.04/1,108,034.70
  6. Step 6: Final answer
    x = 762,971.88

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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.