Home / 1,203,961.41-1,661,447.80-660,101.89

Finding the Fourth Proportional to 1,203,961.41, 1,661,447.80 and 660,101.89

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Solution

The fourth proportional to 1,203,961.41, 1,661,447.80 and 660,101.89 is: 910,930.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,961.41 : 1,661,447.80 = 660,101.89 : x
  2. Step 2: Convert to fraction form
    1,203,961.41/1,661,447.80 = 660,101.89/x
  3. Step 3: Cross multiply
    1,203,961.41x = 1,661,447.80 × 660,101.89
  4. Step 4: Simplify right side
    1,203,961.41x = 1,096,724,832,916.34
  5. Step 5: Solve for x
    x = 1,096,724,832,916.34/1,203,961.41
  6. Step 6: Final answer
    x = 910,930.22

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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.