Home / 1,079,471.23-1,489,757.94-620,734.92

Finding the Fourth Proportional to 1,079,471.23, 1,489,757.94 and 620,734.92

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Solution

The fourth proportional to 1,079,471.23, 1,489,757.94 and 620,734.92 is: 856,664.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,471.23 : 1,489,757.94 = 620,734.92 : x
  2. Step 2: Convert to fraction form
    1,079,471.23/1,489,757.94 = 620,734.92/x
  3. Step 3: Cross multiply
    1,079,471.23x = 1,489,757.94 × 620,734.92
  4. Step 4: Simplify right side
    1,079,471.23x = 924,744,775,705.27
  5. Step 5: Solve for x
    x = 924,744,775,705.27/1,079,471.23
  6. Step 6: Final answer
    x = 856,664.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.