Finding the Fourth Proportional to 1,227,645.26, 1,694,235.63 and 744,230.78
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Solution
The fourth proportional to 1,227,645.26, 1,694,235.63 and 744,230.78 is: 1,027,090.11
Step by Step Solution
- Step 1: Write the proportion equation
1,227,645.26 : 1,694,235.63 = 744,230.78 : x - Step 2: Convert to fraction form
1,227,645.26/1,694,235.63 = 744,230.78/x - Step 3: Cross multiply
1,227,645.26x = 1,694,235.63 × 744,230.78 - Step 4: Simplify right side
1,227,645.26x = 1,260,902,295,947.51 - Step 5: Solve for x
x = 1,260,902,295,947.51/1,227,645.26 - Step 6: Final answer
x = 1,027,090.11
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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.