Home / 1,338,082.20-2,007,123.30-439,662.60

Finding the Fourth Proportional to 1,338,082.20, 2,007,123.30 and 439,662.60

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Solution

The fourth proportional to 1,338,082.20, 2,007,123.30 and 439,662.60 is: 659,493.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,082.20 : 2,007,123.30 = 439,662.60 : x
  2. Step 2: Convert to fraction form
    1,338,082.20/2,007,123.30 = 439,662.60/x
  3. Step 3: Cross multiply
    1,338,082.20x = 2,007,123.30 × 439,662.60
  4. Step 4: Simplify right side
    1,338,082.20x = 882,457,048,598.58
  5. Step 5: Solve for x
    x = 882,457,048,598.58/1,338,082.20
  6. Step 6: Final answer
    x = 659,493.90

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Similar ratio
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1.5x scale

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.