Home / 1,550,222.49-2,325,377.52-428,291.49

Finding the Fourth Proportional to 1,550,222.49, 2,325,377.52 and 428,291.49

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Solution

The fourth proportional to 1,550,222.49, 2,325,377.52 and 428,291.49 is: 642,449.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550,222.49 : 2,325,377.52 = 428,291.49 : x
  2. Step 2: Convert to fraction form
    1,550,222.49/2,325,377.52 = 428,291.49/x
  3. Step 3: Cross multiply
    1,550,222.49x = 2,325,377.52 × 428,291.49
  4. Step 4: Simplify right side
    1,550,222.49x = 995,939,402,853.31
  5. Step 5: Solve for x
    x = 995,939,402,853.31/1,550,222.49
  6. Step 6: Final answer
    x = 642,449.33

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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.