Home / 1,279,903.29-1,920,141.29-481,191.75

Finding the Fourth Proportional to 1,279,903.29, 1,920,141.29 and 481,191.75

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Solution

The fourth proportional to 1,279,903.29, 1,920,141.29 and 481,191.75 is: 721,895.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,903.29 : 1,920,141.29 = 481,191.75 : x
  2. Step 2: Convert to fraction form
    1,279,903.29/1,920,141.29 = 481,191.75/x
  3. Step 3: Cross multiply
    1,279,903.29x = 1,920,141.29 × 481,191.75
  4. Step 4: Simplify right side
    1,279,903.29x = 923,956,148,785.34
  5. Step 5: Solve for x
    x = 923,956,148,785.34/1,279,903.29
  6. Step 6: Final answer
    x = 721,895.28

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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.