Home / 1,107,579.90-1,661,369.85-603,695.10

Finding the Fourth Proportional to 1,107,579.90, 1,661,369.85 and 603,695.10

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Solution

The fourth proportional to 1,107,579.90, 1,661,369.85 and 603,695.10 is: 905,542.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,579.90 : 1,661,369.85 = 603,695.10 : x
  2. Step 2: Convert to fraction form
    1,107,579.90/1,661,369.85 = 603,695.10/x
  3. Step 3: Cross multiply
    1,107,579.90x = 1,661,369.85 × 603,695.10
  4. Step 4: Simplify right side
    1,107,579.90x = 1,002,960,837,732.74
  5. Step 5: Solve for x
    x = 1,002,960,837,732.74/1,107,579.90
  6. Step 6: Final answer
    x = 905,542.65

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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.