Home / 843,401.40-1,265,102.10-764,604.60

Finding the Fourth Proportional to 843,401.40, 1,265,102.10 and 764,604.60

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Solution

The fourth proportional to 843,401.40, 1,265,102.10 and 764,604.60 is: 1,146,906.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,401.40 : 1,265,102.10 = 764,604.60 : x
  2. Step 2: Convert to fraction form
    843,401.40/1,265,102.10 = 764,604.60/x
  3. Step 3: Cross multiply
    843,401.40x = 1,265,102.10 × 764,604.60
  4. Step 4: Simplify right side
    843,401.40x = 967,302,885,129.66
  5. Step 5: Solve for x
    x = 967,302,885,129.66/843,401.40
  6. Step 6: Final answer
    x = 1,146,906.90

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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.