Finding the Fourth Proportional to 1,419,232.39, 2,129,174.58 and 408,362.72
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Solution
The fourth proportional to 1,419,232.39, 2,129,174.58 and 408,362.72 is: 612,637.87
Step by Step Solution
- Step 1: Write the proportion equation
1,419,232.39 : 2,129,174.58 = 408,362.72 : x - Step 2: Convert to fraction form
1,419,232.39/2,129,174.58 = 408,362.72/x - Step 3: Cross multiply
1,419,232.39x = 2,129,174.58 × 408,362.72 - Step 4: Simplify right side
1,419,232.39x = 869,475,512,580.67 - Step 5: Solve for x
x = 869,475,512,580.67/1,419,232.39 - Step 6: Final answer
x = 612,637.87
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.