Finding the Fourth Proportional to 1,296,282.21, 1,788,602.39 and 744,891.42
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Solution
The fourth proportional to 1,296,282.21, 1,788,602.39 and 744,891.42 is: 1,027,796.70
Step by Step Solution
- Step 1: Write the proportion equation
1,296,282.21 : 1,788,602.39 = 744,891.42 : x - Step 2: Convert to fraction form
1,296,282.21/1,788,602.39 = 744,891.42/x - Step 3: Cross multiply
1,296,282.21x = 1,788,602.39 × 744,891.42 - Step 4: Simplify right side
1,296,282.21x = 1,332,314,574,102.49 - Step 5: Solve for x
x = 1,332,314,574,102.49/1,296,282.21 - Step 6: Final answer
x = 1,027,796.70
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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.