Home / 2,425,861.80-3,638,136.60-720,001.80

Finding the Fourth Proportional to 2,425,861.80, 3,638,136.60 and 720,001.80

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Solution

The fourth proportional to 2,425,861.80, 3,638,136.60 and 720,001.80 is: 1,079,807.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425,861.80 : 3,638,136.60 = 720,001.80 : x
  2. Step 2: Convert to fraction form
    2,425,861.80/3,638,136.60 = 720,001.80/x
  3. Step 3: Cross multiply
    2,425,861.80x = 3,638,136.60 × 720,001.80
  4. Step 4: Simplify right side
    2,425,861.80x = 2,619,464,900,645.88
  5. Step 5: Solve for x
    x = 2,619,464,900,645.88/2,425,861.80
  6. Step 6: Final answer
    x = 1,079,807.97

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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.