Home / 1,023,311.59-1,412,559.09-769,400.35

Finding the Fourth Proportional to 1,023,311.59, 1,412,559.09 and 769,400.35

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Solution

The fourth proportional to 1,023,311.59, 1,412,559.09 and 769,400.35 is: 1,062,065.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,311.59 : 1,412,559.09 = 769,400.35 : x
  2. Step 2: Convert to fraction form
    1,023,311.59/1,412,559.09 = 769,400.35/x
  3. Step 3: Cross multiply
    1,023,311.59x = 1,412,559.09 × 769,400.35
  4. Step 4: Simplify right side
    1,023,311.59x = 1,086,823,458,241.68
  5. Step 5: Solve for x
    x = 1,086,823,458,241.68/1,023,311.59
  6. Step 6: Final answer
    x = 1,062,065.03

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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.