Finding the Fourth Proportional to 1,208,940.96, 1,668,235.68 and 699,674.88
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Solution
The fourth proportional to 1,208,940.96, 1,668,235.68 and 699,674.88 is: 965,491.81
Step by Step Solution
- Step 1: Write the proportion equation
1,208,940.96 : 1,668,235.68 = 699,674.88 : x - Step 2: Convert to fraction form
1,208,940.96/1,668,235.68 = 699,674.88/x - Step 3: Cross multiply
1,208,940.96x = 1,668,235.68 × 699,674.88 - Step 4: Simplify right side
1,208,940.96x = 1,167,222,599,215.72 - Step 5: Solve for x
x = 1,167,222,599,215.72/1,208,940.96 - Step 6: Final answer
x = 965,491.81
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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.