Home / 1,296,712.06-1,789,389.83-723,789.14

Finding the Fourth Proportional to 1,296,712.06, 1,789,389.83 and 723,789.14

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Solution

The fourth proportional to 1,296,712.06, 1,789,389.83 and 723,789.14 is: 998,788.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,712.06 : 1,789,389.83 = 723,789.14 : x
  2. Step 2: Convert to fraction form
    1,296,712.06/1,789,389.83 = 723,789.14/x
  3. Step 3: Cross multiply
    1,296,712.06x = 1,789,389.83 × 723,789.14
  4. Step 4: Simplify right side
    1,296,712.06x = 1,295,140,919,042.97
  5. Step 5: Solve for x
    x = 1,295,140,919,042.97/1,296,712.06
  6. Step 6: Final answer
    x = 998,788.37

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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.