Home / 1,336,499.70-2,004,648.74-425,645.36

Finding the Fourth Proportional to 1,336,499.70, 2,004,648.74 and 425,645.36

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Solution

The fourth proportional to 1,336,499.70, 2,004,648.74 and 425,645.36 is: 638,435.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,499.70 : 2,004,648.74 = 425,645.36 : x
  2. Step 2: Convert to fraction form
    1,336,499.70/2,004,648.74 = 425,645.36/x
  3. Step 3: Cross multiply
    1,336,499.70x = 2,004,648.74 × 425,645.36
  4. Step 4: Simplify right side
    1,336,499.70x = 853,269,422,459.38
  5. Step 5: Solve for x
    x = 853,269,422,459.38/1,336,499.70
  6. Step 6: Final answer
    x = 638,435.93

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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.