Home / 1,151,516.28-1,728,771.15-885,463.58

Finding the Fourth Proportional to 1,151,516.28, 1,728,771.15 and 885,463.58

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Solution

The fourth proportional to 1,151,516.28, 1,728,771.15 and 885,463.58 is: 1,329,346.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,516.28 : 1,728,771.15 = 885,463.58 : x
  2. Step 2: Convert to fraction form
    1,151,516.28/1,728,771.15 = 885,463.58/x
  3. Step 3: Cross multiply
    1,151,516.28x = 1,728,771.15 × 885,463.58
  4. Step 4: Simplify right side
    1,151,516.28x = 1,530,763,899,122.13
  5. Step 5: Solve for x
    x = 1,530,763,899,122.13/1,151,516.28
  6. Step 6: Final answer
    x = 1,329,346.29

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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.