Home / 1,116,288.72-1,672,507.26-611,213.22

Finding the Fourth Proportional to 1,116,288.72, 1,672,507.26 and 611,213.22

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Solution

The fourth proportional to 1,116,288.72, 1,672,507.26 and 611,213.22 is: 915,765.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,288.72 : 1,672,507.26 = 611,213.22 : x
  2. Step 2: Convert to fraction form
    1,116,288.72/1,672,507.26 = 611,213.22/x
  3. Step 3: Cross multiply
    1,116,288.72x = 1,672,507.26 × 611,213.22
  4. Step 4: Simplify right side
    1,116,288.72x = 1,022,258,547,857.98
  5. Step 5: Solve for x
    x = 1,022,258,547,857.98/1,116,288.72
  6. Step 6: Final answer
    x = 915,765.37

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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.