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Finding the Fourth Proportional to 1,033,894, 1,550,841 and 285,940

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Solution

The fourth proportional to 1,033,894, 1,550,841 and 285,940 is: 428,910

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033,894 : 1,550,841 = 285,940 : x
  2. Step 2: Convert to fraction form
    1,033,894/1,550,841 = 285,940/x
  3. Step 3: Cross multiply
    1,033,894x = 1,550,841 × 285,940
  4. Step 4: Simplify right side
    1,033,894x = 443,447,475,540
  5. Step 5: Solve for x
    x = 443,447,475,540/1,033,894
  6. Step 6: Final answer
    x = 428,910

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.