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Finding the Fourth Proportional to 1,090,893, 1,504,661.02 and 945,435.63

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Solution

The fourth proportional to 1,090,893, 1,504,661.02 and 945,435.63 is: 1,304,032.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,893 : 1,504,661.02 = 945,435.63 : x
  2. Step 2: Convert to fraction form
    1,090,893/1,504,661.02 = 945,435.63/x
  3. Step 3: Cross multiply
    1,090,893x = 1,504,661.02 × 945,435.63
  4. Step 4: Simplify right side
    1,090,893x = 1,422,560,139,380.14
  5. Step 5: Solve for x
    x = 1,422,560,139,380.14/1,090,893
  6. Step 6: Final answer
    x = 1,304,032.70

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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.