Finding the Fourth Proportional to 1,127,114.19, 1,690,704.09 and 328,378.05
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Solution
The fourth proportional to 1,127,114.19, 1,690,704.09 and 328,378.05 is: 492,576.63
Step by Step Solution
- Step 1: Write the proportion equation
1,127,114.19 : 1,690,704.09 = 328,378.05 : x - Step 2: Convert to fraction form
1,127,114.19/1,690,704.09 = 328,378.05/x - Step 3: Cross multiply
1,127,114.19x = 1,690,704.09 × 328,378.05 - Step 4: Simplify right side
1,127,114.19x = 555,190,112,201.23 - Step 5: Solve for x
x = 555,190,112,201.23/1,127,114.19 - Step 6: Final answer
x = 492,576.63
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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.