Home / 1,503,261.75-2,255,023.86-381,330.75

Finding the Fourth Proportional to 1,503,261.75, 2,255,023.86 and 381,330.75

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Solution

The fourth proportional to 1,503,261.75, 2,255,023.86 and 381,330.75 is: 572,029.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,261.75 : 2,255,023.86 = 381,330.75 : x
  2. Step 2: Convert to fraction form
    1,503,261.75/2,255,023.86 = 381,330.75/x
  3. Step 3: Cross multiply
    1,503,261.75x = 2,255,023.86 × 381,330.75
  4. Step 4: Simplify right side
    1,503,261.75x = 859,909,939,801.70
  5. Step 5: Solve for x
    x = 859,909,939,801.70/1,503,261.75
  6. Step 6: Final answer
    x = 572,029.42

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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.