Home / 859,230.30-1,288,845.45-859,230.30

Finding the Fourth Proportional to 859,230.30, 1,288,845.45 and 859,230.30

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Solution

The fourth proportional to 859,230.30, 1,288,845.45 and 859,230.30 is: 1,288,845.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,230.30 : 1,288,845.45 = 859,230.30 : x
  2. Step 2: Convert to fraction form
    859,230.30/1,288,845.45 = 859,230.30/x
  3. Step 3: Cross multiply
    859,230.30x = 1,288,845.45 × 859,230.30
  4. Step 4: Simplify right side
    859,230.30x = 1,107,415,062,657.14
  5. Step 5: Solve for x
    x = 1,107,415,062,657.14/859,230.30
  6. Step 6: Final answer
    x = 1,288,845.45

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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.