Home / 1,641,300.72-2,265,372.91-962,455.92

Finding the Fourth Proportional to 1,641,300.72, 2,265,372.91 and 962,455.92

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Solution

The fourth proportional to 1,641,300.72, 2,265,372.91 and 962,455.92 is: 1,328,410.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,300.72 : 2,265,372.91 = 962,455.92 : x
  2. Step 2: Convert to fraction form
    1,641,300.72/2,265,372.91 = 962,455.92/x
  3. Step 3: Cross multiply
    1,641,300.72x = 2,265,372.91 × 962,455.92
  4. Step 4: Simplify right side
    1,641,300.72x = 2,180,321,568,237.13
  5. Step 5: Solve for x
    x = 2,180,321,568,237.13/1,641,300.72
  6. Step 6: Final answer
    x = 1,328,410.78

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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.