Home / 999,067.49-1,498,206.76-399,916.97

Finding the Fourth Proportional to 999,067.49, 1,498,206.76 and 399,916.97

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Solution

The fourth proportional to 999,067.49, 1,498,206.76 and 399,916.97 is: 599,717.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,067.49 : 1,498,206.76 = 399,916.97 : x
  2. Step 2: Convert to fraction form
    999,067.49/1,498,206.76 = 399,916.97/x
  3. Step 3: Cross multiply
    999,067.49x = 1,498,206.76 × 399,916.97
  4. Step 4: Simplify right side
    999,067.49x = 599,158,307,892.72
  5. Step 5: Solve for x
    x = 599,158,307,892.72/999,067.49
  6. Step 6: Final answer
    x = 599,717.55

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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.