Finding the Fourth Proportional to 1,068,243.75, 1,474,176.38 and 591,315.75
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Solution
The fourth proportional to 1,068,243.75, 1,474,176.38 and 591,315.75 is: 816,015.74
Step by Step Solution
- Step 1: Write the proportion equation
1,068,243.75 : 1,474,176.38 = 591,315.75 : x - Step 2: Convert to fraction form
1,068,243.75/1,474,176.38 = 591,315.75/x - Step 3: Cross multiply
1,068,243.75x = 1,474,176.38 × 591,315.75 - Step 4: Simplify right side
1,068,243.75x = 871,703,708,815.41 - Step 5: Solve for x
x = 871,703,708,815.41/1,068,243.75 - Step 6: Final answer
x = 816,015.74
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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.