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Finding the Fourth Proportional to 1,090,894, 1,504,662.40 and 945,436.63

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Solution

The fourth proportional to 1,090,894, 1,504,662.40 and 945,436.63 is: 1,304,034.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,894 : 1,504,662.40 = 945,436.63 : x
  2. Step 2: Convert to fraction form
    1,090,894/1,504,662.40 = 945,436.63/x
  3. Step 3: Cross multiply
    1,090,894x = 1,504,662.40 × 945,436.63
  4. Step 4: Simplify right side
    1,090,894x = 1,422,562,948,743.71
  5. Step 5: Solve for x
    x = 1,422,562,948,743.71/1,090,894
  6. Step 6: Final answer
    x = 1,304,034.08

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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.