Home / 1,550,181.24-2,325,315.60-428,250.24

Finding the Fourth Proportional to 1,550,181.24, 2,325,315.60 and 428,250.24

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Solution

The fourth proportional to 1,550,181.24, 2,325,315.60 and 428,250.24 is: 642,387.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550,181.24 : 2,325,315.60 = 428,250.24 : x
  2. Step 2: Convert to fraction form
    1,550,181.24/2,325,315.60 = 428,250.24/x
  3. Step 3: Cross multiply
    1,550,181.24x = 2,325,315.60 × 428,250.24
  4. Step 4: Simplify right side
    1,550,181.24x = 995,816,963,775.74
  5. Step 5: Solve for x
    x = 995,816,963,775.74/1,550,181.24
  6. Step 6: Final answer
    x = 642,387.44

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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.