Home / 1,163,308.32-1,605,365.51-680,279.33

Finding the Fourth Proportional to 1,163,308.32, 1,605,365.51 and 680,279.33

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Solution

The fourth proportional to 1,163,308.32, 1,605,365.51 and 680,279.33 is: 938,785.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163,308.32 : 1,605,365.51 = 680,279.33 : x
  2. Step 2: Convert to fraction form
    1,163,308.32/1,605,365.51 = 680,279.33/x
  3. Step 3: Cross multiply
    1,163,308.32x = 1,605,365.51 × 680,279.33
  4. Step 4: Simplify right side
    1,163,308.32x = 1,092,096,962,119.68
  5. Step 5: Solve for x
    x = 1,092,096,962,119.68/1,163,308.32
  6. Step 6: Final answer
    x = 938,785.48

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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.