Finding the Fourth Proportional to 1,327,552.44, 1,990,779.63 and 416,430.99
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Solution
The fourth proportional to 1,327,552.44, 1,990,779.63 and 416,430.99 is: 624,474.26
Step by Step Solution
- Step 1: Write the proportion equation
1,327,552.44 : 1,990,779.63 = 416,430.99 : x - Step 2: Convert to fraction form
1,327,552.44/1,990,779.63 = 416,430.99/x - Step 3: Cross multiply
1,327,552.44x = 1,990,779.63 × 416,430.99 - Step 4: Simplify right side
1,327,552.44x = 829,022,332,192.73 - Step 5: Solve for x
x = 829,022,332,192.73/1,327,552.44 - Step 6: Final answer
x = 624,474.26
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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.