Home / 1,296,530.73-1,789,302.83-723,580.29

Finding the Fourth Proportional to 1,296,530.73, 1,789,302.83 and 723,580.29

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Solution

The fourth proportional to 1,296,530.73, 1,789,302.83 and 723,580.29 is: 998,591.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,530.73 : 1,789,302.83 = 723,580.29 : x
  2. Step 2: Convert to fraction form
    1,296,530.73/1,789,302.83 = 723,580.29/x
  3. Step 3: Cross multiply
    1,296,530.73x = 1,789,302.83 × 723,580.29
  4. Step 4: Simplify right side
    1,296,530.73x = 1,294,704,257,011.32
  5. Step 5: Solve for x
    x = 1,294,704,257,011.32/1,296,530.73
  6. Step 6: Final answer
    x = 998,591.26

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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.