Home / 1,055,281.21-1,585,040.06-629,647.67

Finding the Fourth Proportional to 1,055,281.21, 1,585,040.06 and 629,647.67

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Solution

The fourth proportional to 1,055,281.21, 1,585,040.06 and 629,647.67 is: 945,735.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,281.21 : 1,585,040.06 = 629,647.67 : x
  2. Step 2: Convert to fraction form
    1,055,281.21/1,585,040.06 = 629,647.67/x
  3. Step 3: Cross multiply
    1,055,281.21x = 1,585,040.06 × 629,647.67
  4. Step 4: Simplify right side
    1,055,281.21x = 998,016,786,172.38
  5. Step 5: Solve for x
    x = 998,016,786,172.38/1,055,281.21
  6. Step 6: Final answer
    x = 945,735.39

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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.