Home / 1,296,537.96-1,789,346.58-723,631.44

Finding the Fourth Proportional to 1,296,537.96, 1,789,346.58 and 723,631.44

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Solution

The fourth proportional to 1,296,537.96, 1,789,346.58 and 723,631.44 is: 998,680.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,537.96 : 1,789,346.58 = 723,631.44 : x
  2. Step 2: Convert to fraction form
    1,296,537.96/1,789,346.58 = 723,631.44/x
  3. Step 3: Cross multiply
    1,296,537.96x = 1,789,346.58 × 723,631.44
  4. Step 4: Simplify right side
    1,296,537.96x = 1,294,827,442,344.48
  5. Step 5: Solve for x
    x = 1,294,827,442,344.48/1,296,537.96
  6. Step 6: Final answer
    x = 998,680.70

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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.