Home / 1,309,078.92-1,960,469.10-746,407.56

Finding the Fourth Proportional to 1,309,078.92, 1,960,469.10 and 746,407.56

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Solution

The fourth proportional to 1,309,078.92, 1,960,469.10 and 746,407.56 is: 1,117,815.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,078.92 : 1,960,469.10 = 746,407.56 : x
  2. Step 2: Convert to fraction form
    1,309,078.92/1,960,469.10 = 746,407.56/x
  3. Step 3: Cross multiply
    1,309,078.92x = 1,960,469.10 × 746,407.56
  4. Step 4: Simplify right side
    1,309,078.92x = 1,463,308,957,386.40
  5. Step 5: Solve for x
    x = 1,463,308,957,386.40/1,309,078.92
  6. Step 6: Final answer
    x = 1,117,815.69

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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.