Home / 1,617,188.70-2,425,783.05-479,991.90

Finding the Fourth Proportional to 1,617,188.70, 2,425,783.05 and 479,991.90

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Solution

The fourth proportional to 1,617,188.70, 2,425,783.05 and 479,991.90 is: 719,987.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,188.70 : 2,425,783.05 = 479,991.90 : x
  2. Step 2: Convert to fraction form
    1,617,188.70/2,425,783.05 = 479,991.90/x
  3. Step 3: Cross multiply
    1,617,188.70x = 2,425,783.05 × 479,991.90
  4. Step 4: Simplify right side
    1,617,188.70x = 1,164,356,215,157.30
  5. Step 5: Solve for x
    x = 1,164,356,215,157.30/1,617,188.70
  6. Step 6: Final answer
    x = 719,987.85

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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.