Home / 686,523.90-1,029,785.85-686,523.90

Finding the Fourth Proportional to 686,523.90, 1,029,785.85 and 686,523.90

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Solution

The fourth proportional to 686,523.90, 1,029,785.85 and 686,523.90 is: 1,029,785.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,523.90 : 1,029,785.85 = 686,523.90 : x
  2. Step 2: Convert to fraction form
    686,523.90/1,029,785.85 = 686,523.90/x
  3. Step 3: Cross multiply
    686,523.90x = 1,029,785.85 × 686,523.90
  4. Step 4: Simplify right side
    686,523.90x = 706,972,597,906.82
  5. Step 5: Solve for x
    x = 706,972,597,906.82/686,523.90
  6. Step 6: Final answer
    x = 1,029,785.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.