Finding the Fourth Proportional to 1,219,163.26, 1,683,267.36 and 760,975.78
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Solution
The fourth proportional to 1,219,163.26, 1,683,267.36 and 760,975.78 is: 1,050,659.69
Step by Step Solution
- Step 1: Write the proportion equation
1,219,163.26 : 1,683,267.36 = 760,975.78 : x - Step 2: Convert to fraction form
1,219,163.26/1,683,267.36 = 760,975.78/x - Step 3: Cross multiply
1,219,163.26x = 1,683,267.36 × 760,975.78 - Step 4: Simplify right side
1,219,163.26x = 1,280,925,692,224.54 - Step 5: Solve for x
x = 1,280,925,692,224.54/1,219,163.26 - Step 6: Final answer
x = 1,050,659.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.