Home / 1,336,503.45-2,004,654.36-425,649.11

Finding the Fourth Proportional to 1,336,503.45, 2,004,654.36 and 425,649.11

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Solution

The fourth proportional to 1,336,503.45, 2,004,654.36 and 425,649.11 is: 638,441.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,503.45 : 2,004,654.36 = 425,649.11 : x
  2. Step 2: Convert to fraction form
    1,336,503.45/2,004,654.36 = 425,649.11/x
  3. Step 3: Cross multiply
    1,336,503.45x = 2,004,654.36 × 425,649.11
  4. Step 4: Simplify right side
    1,336,503.45x = 853,279,334,168.35
  5. Step 5: Solve for x
    x = 853,279,334,168.35/1,336,503.45
  6. Step 6: Final answer
    x = 638,441.55

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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.