Finding the Fourth Proportional to 1,253,108.94, 1,729,243.98 and 680,136.84
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Solution
The fourth proportional to 1,253,108.94, 1,729,243.98 and 680,136.84 is: 938,563.68
Step by Step Solution
- Step 1: Write the proportion equation
1,253,108.94 : 1,729,243.98 = 680,136.84 : x - Step 2: Convert to fraction form
1,253,108.94/1,729,243.98 = 680,136.84/x - Step 3: Cross multiply
1,253,108.94x = 1,729,243.98 × 680,136.84 - Step 4: Simplify right side
1,253,108.94x = 1,176,122,536,146.22 - Step 5: Solve for x
x = 1,176,122,536,146.22/1,253,108.94 - Step 6: Final answer
x = 938,563.68
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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.