Home / 999,993.75-1,500,146.45-325,918.67

Finding the Fourth Proportional to 999,993.75, 1,500,146.45 and 325,918.67

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Solution

The fourth proportional to 999,993.75, 1,500,146.45 and 325,918.67 is: 488,928.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,993.75 : 1,500,146.45 = 325,918.67 : x
  2. Step 2: Convert to fraction form
    999,993.75/1,500,146.45 = 325,918.67/x
  3. Step 3: Cross multiply
    999,993.75x = 1,500,146.45 × 325,918.67
  4. Step 4: Simplify right side
    999,993.75x = 488,925,726,658.90
  5. Step 5: Solve for x
    x = 488,925,726,658.90/999,993.75
  6. Step 6: Final answer
    x = 488,928.78

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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.