Home / 1,769,255.91-2,649,895.29-1,239,142.77

Finding the Fourth Proportional to 1,769,255.91, 2,649,895.29 and 1,239,142.77

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Solution

The fourth proportional to 1,769,255.91, 2,649,895.29 and 1,239,142.77 is: 1,855,920.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,255.91 : 2,649,895.29 = 1,239,142.77 : x
  2. Step 2: Convert to fraction form
    1,769,255.91/2,649,895.29 = 1,239,142.77/x
  3. Step 3: Cross multiply
    1,769,255.91x = 2,649,895.29 × 1,239,142.77
  4. Step 4: Simplify right side
    1,769,255.91x = 3,283,598,589,860.55
  5. Step 5: Solve for x
    x = 3,283,598,589,860.55/1,769,255.91
  6. Step 6: Final answer
    x = 1,855,920.66

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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.