Home / 1,388,591.37-2,082,933.05-477,765.05

Finding the Fourth Proportional to 1,388,591.37, 2,082,933.05 and 477,765.05

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Solution

The fourth proportional to 1,388,591.37, 2,082,933.05 and 477,765.05 is: 716,663.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,591.37 : 2,082,933.05 = 477,765.05 : x
  2. Step 2: Convert to fraction form
    1,388,591.37/2,082,933.05 = 477,765.05/x
  3. Step 3: Cross multiply
    1,388,591.37x = 2,082,933.05 × 477,765.05
  4. Step 4: Simplify right side
    1,388,591.37x = 995,152,599,976.41
  5. Step 5: Solve for x
    x = 995,152,599,976.41/1,388,591.37
  6. Step 6: Final answer
    x = 716,663.39

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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.