Home / 869,193.90-1,301,166.45-764,217.90

Finding the Fourth Proportional to 869,193.90, 1,301,166.45 and 764,217.90

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Solution

The fourth proportional to 869,193.90, 1,301,166.45 and 764,217.90 is: 1,144,019.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,193.90 : 1,301,166.45 = 764,217.90 : x
  2. Step 2: Convert to fraction form
    869,193.90/1,301,166.45 = 764,217.90/x
  3. Step 3: Cross multiply
    869,193.90x = 1,301,166.45 × 764,217.90
  4. Step 4: Simplify right side
    869,193.90x = 994,374,691,969.46
  5. Step 5: Solve for x
    x = 994,374,691,969.46/869,193.90
  6. Step 6: Final answer
    x = 1,144,019.41

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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.