Finding the Fourth Proportional to 1,243,375.62, 1,715,860.98 and 734,110.80
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Solution
The fourth proportional to 1,243,375.62, 1,715,860.98 and 734,110.80 is: 1,013,074.45
Step by Step Solution
- Step 1: Write the proportion equation
1,243,375.62 : 1,715,860.98 = 734,110.80 : x - Step 2: Convert to fraction form
1,243,375.62/1,715,860.98 = 734,110.80/x - Step 3: Cross multiply
1,243,375.62x = 1,715,860.98 × 734,110.80 - Step 4: Simplify right side
1,243,375.62x = 1,259,632,076,716.58 - Step 5: Solve for x
x = 1,259,632,076,716.58/1,243,375.62 - Step 6: Final answer
x = 1,013,074.45
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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.