Home / 1,229,365.39-1,843,649-408,483.55

Finding the Fourth Proportional to 1,229,365.39, 1,843,649 and 408,483.55

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Solution

The fourth proportional to 1,229,365.39, 1,843,649 and 408,483.55 is: 612,592.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,365.39 : 1,843,649 = 408,483.55 : x
  2. Step 2: Convert to fraction form
    1,229,365.39/1,843,649 = 408,483.55/x
  3. Step 3: Cross multiply
    1,229,365.39x = 1,843,649 × 408,483.55
  4. Step 4: Simplify right side
    1,229,365.39x = 753,100,288,473.95
  5. Step 5: Solve for x
    x = 753,100,288,473.95/1,229,365.39
  6. Step 6: Final answer
    x = 612,592.72

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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.