Home / 1,090,863.36-1,504,905.60-637,954.56

Finding the Fourth Proportional to 1,090,863.36, 1,504,905.60 and 637,954.56

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Solution

The fourth proportional to 1,090,863.36, 1,504,905.60 and 637,954.56 is: 880,093.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,863.36 : 1,504,905.60 = 637,954.56 : x
  2. Step 2: Convert to fraction form
    1,090,863.36/1,504,905.60 = 637,954.56/x
  3. Step 3: Cross multiply
    1,090,863.36x = 1,504,905.60 × 637,954.56
  4. Step 4: Simplify right side
    1,090,863.36x = 960,061,389,889.54
  5. Step 5: Solve for x
    x = 960,061,389,889.54/1,090,863.36
  6. Step 6: Final answer
    x = 880,093.17

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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.