Home / 1,324,782.59-1,985,911.40-425,593.09

Finding the Fourth Proportional to 1,324,782.59, 1,985,911.40 and 425,593.09

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Solution

The fourth proportional to 1,324,782.59, 1,985,911.40 and 425,593.09 is: 637,984.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,782.59 : 1,985,911.40 = 425,593.09 : x
  2. Step 2: Convert to fraction form
    1,324,782.59/1,985,911.40 = 425,593.09/x
  3. Step 3: Cross multiply
    1,324,782.59x = 1,985,911.40 × 425,593.09
  4. Step 4: Simplify right side
    1,324,782.59x = 845,190,177,126.99
  5. Step 5: Solve for x
    x = 845,190,177,126.99/1,324,782.59
  6. Step 6: Final answer
    x = 637,984.06

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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.