Finding the Fourth Proportional to 1,264,724.28, 1,745,361.07 and 691,764.44
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Solution
The fourth proportional to 1,264,724.28, 1,745,361.07 and 691,764.44 is: 954,657.65
Step by Step Solution
- Step 1: Write the proportion equation
1,264,724.28 : 1,745,361.07 = 691,764.44 : x - Step 2: Convert to fraction form
1,264,724.28/1,745,361.07 = 691,764.44/x - Step 3: Cross multiply
1,264,724.28x = 1,745,361.07 × 691,764.44 - Step 4: Simplify right side
1,264,724.28x = 1,207,378,712,730.13 - Step 5: Solve for x
x = 1,207,378,712,730.13/1,264,724.28 - Step 6: Final answer
x = 954,657.65
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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.