Home / 1,687,588.38-2,328,863.58-913,218.66

Finding the Fourth Proportional to 1,687,588.38, 2,328,863.58 and 913,218.66

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Solution

The fourth proportional to 1,687,588.38, 2,328,863.58 and 913,218.66 is: 1,260,237.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,588.38 : 2,328,863.58 = 913,218.66 : x
  2. Step 2: Convert to fraction form
    1,687,588.38/2,328,863.58 = 913,218.66/x
  3. Step 3: Cross multiply
    1,687,588.38x = 2,328,863.58 × 913,218.66
  4. Step 4: Simplify right side
    1,687,588.38x = 2,126,761,677,850.40
  5. Step 5: Solve for x
    x = 2,126,761,677,850.40/1,687,588.38
  6. Step 6: Final answer
    x = 1,260,237.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.