Finding the Fourth Proportional to 1,086,368.48, 1,629,527.68 and 639,921.44
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Solution
The fourth proportional to 1,086,368.48, 1,629,527.68 and 639,921.44 is: 959,867.41
Step by Step Solution
- Step 1: Write the proportion equation
1,086,368.48 : 1,629,527.68 = 639,921.44 : x - Step 2: Convert to fraction form
1,086,368.48/1,629,527.68 = 639,921.44/x - Step 3: Cross multiply
1,086,368.48x = 1,629,527.68 × 639,921.44 - Step 4: Simplify right side
1,086,368.48x = 1,042,769,699,505.46 - Step 5: Solve for x
x = 1,042,769,699,505.46/1,086,368.48 - Step 6: Final answer
x = 959,867.41
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.