Finding the Fourth Proportional to 1,152,749.02, 1,728,551.67 and 394,375.99
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Solution
The fourth proportional to 1,152,749.02, 1,728,551.67 and 394,375.99 is: 591,368.34
Step by Step Solution
- Step 1: Write the proportion equation
1,152,749.02 : 1,728,551.67 = 394,375.99 : x - Step 2: Convert to fraction form
1,152,749.02/1,728,551.67 = 394,375.99/x - Step 3: Cross multiply
1,152,749.02x = 1,728,551.67 × 394,375.99 - Step 4: Simplify right side
1,152,749.02x = 681,699,276,122.40 - Step 5: Solve for x
x = 681,699,276,122.40/1,152,749.02 - Step 6: Final answer
x = 591,368.34
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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.