Home / 911,136.99-1,368,110.07-770,825.96

Finding the Fourth Proportional to 911,136.99, 1,368,110.07 and 770,825.96

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Solution

The fourth proportional to 911,136.99, 1,368,110.07 and 770,825.96 is: 1,157,427.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,136.99 : 1,368,110.07 = 770,825.96 : x
  2. Step 2: Convert to fraction form
    911,136.99/1,368,110.07 = 770,825.96/x
  3. Step 3: Cross multiply
    911,136.99x = 1,368,110.07 × 770,825.96
  4. Step 4: Simplify right side
    911,136.99x = 1,054,574,751,252.87
  5. Step 5: Solve for x
    x = 1,054,574,751,252.87/911,136.99
  6. Step 6: Final answer
    x = 1,157,427.22

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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.