Home / 1,325,955.99-1,987,602.33-426,736.92

Finding the Fourth Proportional to 1,325,955.99, 1,987,602.33 and 426,736.92

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Solution

The fourth proportional to 1,325,955.99, 1,987,602.33 and 426,736.92 is: 639,676.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,955.99 : 1,987,602.33 = 426,736.92 : x
  2. Step 2: Convert to fraction form
    1,325,955.99/1,987,602.33 = 426,736.92/x
  3. Step 3: Cross multiply
    1,325,955.99x = 1,987,602.33 × 426,736.92
  4. Step 4: Simplify right side
    1,325,955.99x = 848,183,296,489.02
  5. Step 5: Solve for x
    x = 848,183,296,489.02/1,325,955.99
  6. Step 6: Final answer
    x = 639,676.81

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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.