Home / 831,675.45-1,245,763.58-691,707.45

Finding the Fourth Proportional to 831,675.45, 1,245,763.58 and 691,707.45

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Solution

The fourth proportional to 831,675.45, 1,245,763.58 and 691,707.45 is: 1,036,106.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,675.45 : 1,245,763.58 = 691,707.45 : x
  2. Step 2: Convert to fraction form
    831,675.45/1,245,763.58 = 691,707.45/x
  3. Step 3: Cross multiply
    831,675.45x = 1,245,763.58 × 691,707.45
  4. Step 4: Simplify right side
    831,675.45x = 861,703,945,766.13
  5. Step 5: Solve for x
    x = 861,703,945,766.13/831,675.45
  6. Step 6: Final answer
    x = 1,036,106.03

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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.