Home / 1,586,453.85-2,380,090.84-687,687.98

Finding the Fourth Proportional to 1,586,453.85, 2,380,090.84 and 687,687.98

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Solution

The fourth proportional to 1,586,453.85, 2,380,090.84 and 687,687.98 is: 1,031,709.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,453.85 : 2,380,090.84 = 687,687.98 : x
  2. Step 2: Convert to fraction form
    1,586,453.85/2,380,090.84 = 687,687.98/x
  3. Step 3: Cross multiply
    1,586,453.85x = 2,380,090.84 × 687,687.98
  4. Step 4: Simplify right side
    1,586,453.85x = 1,636,759,848,356.43
  5. Step 5: Solve for x
    x = 1,636,759,848,356.43/1,586,453.85
  6. Step 6: Final answer
    x = 1,031,709.71

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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.