Home / 1,359,872.86-1,876,626.45-756,260.86

Finding the Fourth Proportional to 1,359,872.86, 1,876,626.45 and 756,260.86

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Solution

The fourth proportional to 1,359,872.86, 1,876,626.45 and 756,260.86 is: 1,043,641.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,872.86 : 1,876,626.45 = 756,260.86 : x
  2. Step 2: Convert to fraction form
    1,359,872.86/1,876,626.45 = 756,260.86/x
  3. Step 3: Cross multiply
    1,359,872.86x = 1,876,626.45 × 756,260.86
  4. Step 4: Simplify right side
    1,359,872.86x = 1,419,219,132,975.75
  5. Step 5: Solve for x
    x = 1,419,219,132,975.75/1,359,872.86
  6. Step 6: Final answer
    x = 1,043,641.05

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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.