Home / 1,296,801.63-1,789,581.80-723,836.79

Finding the Fourth Proportional to 1,296,801.63, 1,789,581.80 and 723,836.79

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Solution

The fourth proportional to 1,296,801.63, 1,789,581.80 and 723,836.79 is: 998,892.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,801.63 : 1,789,581.80 = 723,836.79 : x
  2. Step 2: Convert to fraction form
    1,296,801.63/1,789,581.80 = 723,836.79/x
  3. Step 3: Cross multiply
    1,296,801.63x = 1,789,581.80 × 723,836.79
  4. Step 4: Simplify right side
    1,296,801.63x = 1,295,365,147,364.01
  5. Step 5: Solve for x
    x = 1,295,365,147,364.01/1,296,801.63
  6. Step 6: Final answer
    x = 998,892.29

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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.