Home / 1,107,580.10-1,661,370.15-603,695.30

Finding the Fourth Proportional to 1,107,580.10, 1,661,370.15 and 603,695.30

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Solution

The fourth proportional to 1,107,580.10, 1,661,370.15 and 603,695.30 is: 905,542.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,580.10 : 1,661,370.15 = 603,695.30 : x
  2. Step 2: Convert to fraction form
    1,107,580.10/1,661,370.15 = 603,695.30/x
  3. Step 3: Cross multiply
    1,107,580.10x = 1,661,370.15 × 603,695.30
  4. Step 4: Simplify right side
    1,107,580.10x = 1,002,961,351,115.30
  5. Step 5: Solve for x
    x = 1,002,961,351,115.30/1,107,580.10
  6. Step 6: Final answer
    x = 905,542.95

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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.