Home / 1,253,363.08-1,729,662.09-680,403.25

Finding the Fourth Proportional to 1,253,363.08, 1,729,662.09 and 680,403.25

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Solution

The fourth proportional to 1,253,363.08, 1,729,662.09 and 680,403.25 is: 938,967.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,363.08 : 1,729,662.09 = 680,403.25 : x
  2. Step 2: Convert to fraction form
    1,253,363.08/1,729,662.09 = 680,403.25/x
  3. Step 3: Cross multiply
    1,253,363.08x = 1,729,662.09 × 680,403.25
  4. Step 4: Simplify right side
    1,253,363.08x = 1,176,867,707,437.79
  5. Step 5: Solve for x
    x = 1,176,867,707,437.79/1,253,363.08
  6. Step 6: Final answer
    x = 938,967.91

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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.