Home / 1,330,481.88-1,994,811.90-477,534.60

Finding the Fourth Proportional to 1,330,481.88, 1,994,811.90 and 477,534.60

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Solution

The fourth proportional to 1,330,481.88, 1,994,811.90 and 477,534.60 is: 715,974.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,481.88 : 1,994,811.90 = 477,534.60 : x
  2. Step 2: Convert to fraction form
    1,330,481.88/1,994,811.90 = 477,534.60/x
  3. Step 3: Cross multiply
    1,330,481.88x = 1,994,811.90 × 477,534.60
  4. Step 4: Simplify right side
    1,330,481.88x = 952,591,702,741.74
  5. Step 5: Solve for x
    x = 952,591,702,741.74/1,330,481.88
  6. Step 6: Final answer
    x = 715,974.95

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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.