Home / 1,029,034.28-1,419,614.96-620,908.49

Finding the Fourth Proportional to 1,029,034.28, 1,419,614.96 and 620,908.49

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Solution

The fourth proportional to 1,029,034.28, 1,419,614.96 and 620,908.49 is: 856,580.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,034.28 : 1,419,614.96 = 620,908.49 : x
  2. Step 2: Convert to fraction form
    1,029,034.28/1,419,614.96 = 620,908.49/x
  3. Step 3: Cross multiply
    1,029,034.28x = 1,419,614.96 × 620,908.49
  4. Step 4: Simplify right side
    1,029,034.28x = 881,450,970,992.39
  5. Step 5: Solve for x
    x = 881,450,970,992.39/1,029,034.28
  6. Step 6: Final answer
    x = 856,580.77

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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.