Finding the Fourth Proportional to 1,120,918.82, 1,546,902.05 and 637,553.48
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Solution
The fourth proportional to 1,120,918.82, 1,546,902.05 and 637,553.48 is: 879,843.18
Step by Step Solution
- Step 1: Write the proportion equation
1,120,918.82 : 1,546,902.05 = 637,553.48 : x - Step 2: Convert to fraction form
1,120,918.82/1,546,902.05 = 637,553.48/x - Step 3: Cross multiply
1,120,918.82x = 1,546,902.05 × 637,553.48 - Step 4: Simplify right side
1,120,918.82x = 986,232,774,274.36 - Step 5: Solve for x
x = 986,232,774,274.36/1,120,918.82 - Step 6: Final answer
x = 879,843.18
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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.