Home / 1,261,949.22-1,892,928.69-315,320.85

Finding the Fourth Proportional to 1,261,949.22, 1,892,928.69 and 315,320.85

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Solution

The fourth proportional to 1,261,949.22, 1,892,928.69 and 315,320.85 is: 472,982.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,949.22 : 1,892,928.69 = 315,320.85 : x
  2. Step 2: Convert to fraction form
    1,261,949.22/1,892,928.69 = 315,320.85/x
  3. Step 3: Cross multiply
    1,261,949.22x = 1,892,928.69 × 315,320.85
  4. Step 4: Simplify right side
    1,261,949.22x = 596,879,883,520.19
  5. Step 5: Solve for x
    x = 596,879,883,520.19/1,261,949.22
  6. Step 6: Final answer
    x = 472,982.49

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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.