Home / 1,224,155.37-1,689,375.44-680,314.08

Finding the Fourth Proportional to 1,224,155.37, 1,689,375.44 and 680,314.08

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Solution

The fourth proportional to 1,224,155.37, 1,689,375.44 and 680,314.08 is: 938,856.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,155.37 : 1,689,375.44 = 680,314.08 : x
  2. Step 2: Convert to fraction form
    1,224,155.37/1,689,375.44 = 680,314.08/x
  3. Step 3: Cross multiply
    1,224,155.37x = 1,689,375.44 × 680,314.08
  4. Step 4: Simplify right side
    1,224,155.37x = 1,149,305,894,836.62
  5. Step 5: Solve for x
    x = 1,149,305,894,836.62/1,224,155.37
  6. Step 6: Final answer
    x = 938,856.23

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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.