Home / 1,377,783.03-2,066,791.20-380,511.03

Finding the Fourth Proportional to 1,377,783.03, 2,066,791.20 and 380,511.03

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Solution

The fourth proportional to 1,377,783.03, 2,066,791.20 and 380,511.03 is: 570,798.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,783.03 : 2,066,791.20 = 380,511.03 : x
  2. Step 2: Convert to fraction form
    1,377,783.03/2,066,791.20 = 380,511.03/x
  3. Step 3: Cross multiply
    1,377,783.03x = 2,066,791.20 × 380,511.03
  4. Step 4: Simplify right side
    1,377,783.03x = 786,436,848,306.94
  5. Step 5: Solve for x
    x = 786,436,848,306.94/1,377,783.03
  6. Step 6: Final answer
    x = 570,798.76

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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.