Finding the Fourth Proportional to 1,424,101.92, 1,965,185.14 and 779,397.40
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Solution
The fourth proportional to 1,424,101.92, 1,965,185.14 and 779,397.40 is: 1,075,527.09
Step by Step Solution
- Step 1: Write the proportion equation
1,424,101.92 : 1,965,185.14 = 779,397.40 : x - Step 2: Convert to fraction form
1,424,101.92/1,965,185.14 = 779,397.40/x - Step 3: Cross multiply
1,424,101.92x = 1,965,185.14 × 779,397.40 - Step 4: Simplify right side
1,424,101.92x = 1,531,660,188,634.64 - Step 5: Solve for x
x = 1,531,660,188,634.64/1,424,101.92 - Step 6: Final answer
x = 1,075,527.09
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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.