Home / 1,505,155.87-2,257,809.69-425,745.62

Finding the Fourth Proportional to 1,505,155.87, 2,257,809.69 and 425,745.62

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Solution

The fourth proportional to 1,505,155.87, 2,257,809.69 and 425,745.62 is: 638,639.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,155.87 : 2,257,809.69 = 425,745.62 : x
  2. Step 2: Convert to fraction form
    1,505,155.87/2,257,809.69 = 425,745.62/x
  3. Step 3: Cross multiply
    1,505,155.87x = 2,257,809.69 × 425,745.62
  4. Step 4: Simplify right side
    1,505,155.87x = 961,252,585,085.34
  5. Step 5: Solve for x
    x = 961,252,585,085.34/1,505,155.87
  6. Step 6: Final answer
    x = 638,639.89

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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.