Home / 1,143,930.85-1,715,906.08-291,003.28

Finding the Fourth Proportional to 1,143,930.85, 1,715,906.08 and 291,003.28

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Solution

The fourth proportional to 1,143,930.85, 1,715,906.08 and 291,003.28 is: 436,507.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,930.85 : 1,715,906.08 = 291,003.28 : x
  2. Step 2: Convert to fraction form
    1,143,930.85/1,715,906.08 = 291,003.28/x
  3. Step 3: Cross multiply
    1,143,930.85x = 1,715,906.08 × 291,003.28
  4. Step 4: Simplify right side
    1,143,930.85x = 499,334,301,541.01
  5. Step 5: Solve for x
    x = 499,334,301,541.01/1,143,930.85
  6. Step 6: Final answer
    x = 436,507.42

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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.