Home / 1,023,161.81-1,412,063.10-764,589.74

Finding the Fourth Proportional to 1,023,161.81, 1,412,063.10 and 764,589.74

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Solution

The fourth proportional to 1,023,161.81, 1,412,063.10 and 764,589.74 is: 1,055,208.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,161.81 : 1,412,063.10 = 764,589.74 : x
  2. Step 2: Convert to fraction form
    1,023,161.81/1,412,063.10 = 764,589.74/x
  3. Step 3: Cross multiply
    1,023,161.81x = 1,412,063.10 × 764,589.74
  4. Step 4: Simplify right side
    1,023,161.81x = 1,079,648,951,432.28
  5. Step 5: Solve for x
    x = 1,079,648,951,432.28/1,023,161.81
  6. Step 6: Final answer
    x = 1,055,208.42

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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.