Finding the Fourth Proportional to 1,128,844.89, 1,693,201.41 and 825,546.26
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Solution
The fourth proportional to 1,128,844.89, 1,693,201.41 and 825,546.26 is: 1,238,271.18
Step by Step Solution
- Step 1: Write the proportion equation
1,128,844.89 : 1,693,201.41 = 825,546.26 : x - Step 2: Convert to fraction form
1,128,844.89/1,693,201.41 = 825,546.26/x - Step 3: Cross multiply
1,128,844.89x = 1,693,201.41 × 825,546.26 - Step 4: Simplify right side
1,128,844.89x = 1,397,816,091,452.23 - Step 5: Solve for x
x = 1,397,816,091,452.23/1,128,844.89 - Step 6: Final answer
x = 1,238,271.18
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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.