Home / 1,308,445.98-1,962,170.82-859,046.64

Finding the Fourth Proportional to 1,308,445.98, 1,962,170.82 and 859,046.64

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Solution

The fourth proportional to 1,308,445.98, 1,962,170.82 and 859,046.64 is: 1,288,242.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,445.98 : 1,962,170.82 = 859,046.64 : x
  2. Step 2: Convert to fraction form
    1,308,445.98/1,962,170.82 = 859,046.64/x
  3. Step 3: Cross multiply
    1,308,445.98x = 1,962,170.82 × 859,046.64
  4. Step 4: Simplify right side
    1,308,445.98x = 1,685,596,250,027.05
  5. Step 5: Solve for x
    x = 1,685,596,250,027.05/1,308,445.98
  6. Step 6: Final answer
    x = 1,288,242.90

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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.