Finding the Fourth Proportional to 1,243,274.25, 1,715,701.36 and 699,409.88
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Solution
The fourth proportional to 1,243,274.25, 1,715,701.36 and 699,409.88 is: 965,176.01
Step by Step Solution
- Step 1: Write the proportion equation
1,243,274.25 : 1,715,701.36 = 699,409.88 : x - Step 2: Convert to fraction form
1,243,274.25/1,715,701.36 = 699,409.88/x - Step 3: Cross multiply
1,243,274.25x = 1,715,701.36 × 699,409.88 - Step 4: Simplify right side
1,243,274.25x = 1,199,978,482,313.44 - Step 5: Solve for x
x = 1,199,978,482,313.44/1,243,274.25 - Step 6: Final answer
x = 965,176.01
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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.