Home / 1,550,004.74-2,325,051.12-428,073.74

Finding the Fourth Proportional to 1,550,004.74, 2,325,051.12 and 428,073.74

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Solution

The fourth proportional to 1,550,004.74, 2,325,051.12 and 428,073.74 is: 642,122.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550,004.74 : 2,325,051.12 = 428,073.74 : x
  2. Step 2: Convert to fraction form
    1,550,004.74/2,325,051.12 = 428,073.74/x
  3. Step 3: Cross multiply
    1,550,004.74x = 2,325,051.12 × 428,073.74
  4. Step 4: Simplify right side
    1,550,004.74x = 995,293,328,629.59
  5. Step 5: Solve for x
    x = 995,293,328,629.59/1,550,004.74
  6. Step 6: Final answer
    x = 642,122.76

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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.