Home / 1,336,528.78-2,004,692.43-425,674.51

Finding the Fourth Proportional to 1,336,528.78, 2,004,692.43 and 425,674.51

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Solution

The fourth proportional to 1,336,528.78, 2,004,692.43 and 425,674.51 is: 638,479.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,528.78 : 2,004,692.43 = 425,674.51 : x
  2. Step 2: Convert to fraction form
    1,336,528.78/2,004,692.43 = 425,674.51/x
  3. Step 3: Cross multiply
    1,336,528.78x = 2,004,692.43 × 425,674.51
  4. Step 4: Simplify right side
    1,336,528.78x = 853,346,467,840.96
  5. Step 5: Solve for x
    x = 853,346,467,840.96/1,336,528.78
  6. Step 6: Final answer
    x = 638,479.68

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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.