Home / 1,267,991.96-1,901,988.03-321,367.64

Finding the Fourth Proportional to 1,267,991.96, 1,901,988.03 and 321,367.64

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Solution

The fourth proportional to 1,267,991.96, 1,901,988.03 and 321,367.64 is: 482,051.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,991.96 : 1,901,988.03 = 321,367.64 : x
  2. Step 2: Convert to fraction form
    1,267,991.96/1,901,988.03 = 321,367.64/x
  3. Step 3: Cross multiply
    1,267,991.96x = 1,901,988.03 × 321,367.64
  4. Step 4: Simplify right side
    1,267,991.96x = 611,237,404,509.35
  5. Step 5: Solve for x
    x = 611,237,404,509.35/1,267,991.96
  6. Step 6: Final answer
    x = 482,051.48

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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.