Home / 1,425,794.82-2,138,692.23-479,165.52

Finding the Fourth Proportional to 1,425,794.82, 2,138,692.23 and 479,165.52

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Solution

The fourth proportional to 1,425,794.82, 2,138,692.23 and 479,165.52 is: 718,748.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,794.82 : 2,138,692.23 = 479,165.52 : x
  2. Step 2: Convert to fraction form
    1,425,794.82/2,138,692.23 = 479,165.52/x
  3. Step 3: Cross multiply
    1,425,794.82x = 2,138,692.23 × 479,165.52
  4. Step 4: Simplify right side
    1,425,794.82x = 1,024,787,574,507.91
  5. Step 5: Solve for x
    x = 1,024,787,574,507.91/1,425,794.82
  6. Step 6: Final answer
    x = 718,748.28

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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.