Home / 1,202,131.26-1,658,961.54-658,258.38

Finding the Fourth Proportional to 1,202,131.26, 1,658,961.54 and 658,258.38

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Solution

The fourth proportional to 1,202,131.26, 1,658,961.54 and 658,258.38 is: 908,407.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,131.26 : 1,658,961.54 = 658,258.38 : x
  2. Step 2: Convert to fraction form
    1,202,131.26/1,658,961.54 = 658,258.38/x
  3. Step 3: Cross multiply
    1,202,131.26x = 1,658,961.54 × 658,258.38
  4. Step 4: Simplify right side
    1,202,131.26x = 1,092,025,335,802.71
  5. Step 5: Solve for x
    x = 1,092,025,335,802.71/1,202,131.26
  6. Step 6: Final answer
    x = 908,407.74

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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.