Home / 1,064,380.50-1,468,845.09-725,440.86

Finding the Fourth Proportional to 1,064,380.50, 1,468,845.09 and 725,440.86

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Solution

The fourth proportional to 1,064,380.50, 1,468,845.09 and 725,440.86 is: 1,001,108.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,380.50 : 1,468,845.09 = 725,440.86 : x
  2. Step 2: Convert to fraction form
    1,064,380.50/1,468,845.09 = 725,440.86/x
  3. Step 3: Cross multiply
    1,064,380.50x = 1,468,845.09 × 725,440.86
  4. Step 4: Simplify right side
    1,064,380.50x = 1,065,560,245,296.38
  5. Step 5: Solve for x
    x = 1,065,560,245,296.38/1,064,380.50
  6. Step 6: Final answer
    x = 1,001,108.39

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1.5x scale

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.