Home / 1,638,640.28-2,458,406.46-501,377.24

Finding the Fourth Proportional to 1,638,640.28, 2,458,406.46 and 501,377.24

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Solution

The fourth proportional to 1,638,640.28, 2,458,406.46 and 501,377.24 is: 752,202.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,640.28 : 2,458,406.46 = 501,377.24 : x
  2. Step 2: Convert to fraction form
    1,638,640.28/2,458,406.46 = 501,377.24/x
  3. Step 3: Cross multiply
    1,638,640.28x = 2,458,406.46 × 501,377.24
  4. Step 4: Simplify right side
    1,638,640.28x = 1,232,589,045,712.97
  5. Step 5: Solve for x
    x = 1,232,589,045,712.97/1,638,640.28
  6. Step 6: Final answer
    x = 752,202.34

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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.