Home / 1,388,302.20-2,082,615.30-441,768.60

Finding the Fourth Proportional to 1,388,302.20, 2,082,615.30 and 441,768.60

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Solution

The fourth proportional to 1,388,302.20, 2,082,615.30 and 441,768.60 is: 662,704.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,302.20 : 2,082,615.30 = 441,768.60 : x
  2. Step 2: Convert to fraction form
    1,388,302.20/2,082,615.30 = 441,768.60/x
  3. Step 3: Cross multiply
    1,388,302.20x = 2,082,615.30 × 441,768.60
  4. Step 4: Simplify right side
    1,388,302.20x = 920,034,045,419.58
  5. Step 5: Solve for x
    x = 920,034,045,419.58/1,388,302.20
  6. Step 6: Final answer
    x = 662,704.45

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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.