Home / 1,687,264.68-2,328,425.38-923,318.28

Finding the Fourth Proportional to 1,687,264.68, 2,328,425.38 and 923,318.28

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Solution

The fourth proportional to 1,687,264.68, 2,328,425.38 and 923,318.28 is: 1,274,179.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,264.68 : 2,328,425.38 = 923,318.28 : x
  2. Step 2: Convert to fraction form
    1,687,264.68/2,328,425.38 = 923,318.28/x
  3. Step 3: Cross multiply
    1,687,264.68x = 2,328,425.38 × 923,318.28
  4. Step 4: Simplify right side
    1,687,264.68x = 2,149,877,716,969.95
  5. Step 5: Solve for x
    x = 2,149,877,716,969.95/1,687,264.68
  6. Step 6: Final answer
    x = 1,274,179.29

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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.