Finding the Fourth Proportional to 1,261,362.97, 1,740,075.43 and 825,588.47
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Solution
The fourth proportional to 1,261,362.97, 1,740,075.43 and 825,588.47 is: 1,138,915.80
Step by Step Solution
- Step 1: Write the proportion equation
1,261,362.97 : 1,740,075.43 = 825,588.47 : x - Step 2: Convert to fraction form
1,261,362.97/1,740,075.43 = 825,588.47/x - Step 3: Cross multiply
1,261,362.97x = 1,740,075.43 × 825,588.47 - Step 4: Simplify right side
1,261,362.97x = 1,436,586,205,984.56 - Step 5: Solve for x
x = 1,436,586,205,984.56/1,261,362.97 - Step 6: Final answer
x = 1,138,915.80
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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.