Finding the Fourth Proportional to 1,149,578.68, 1,586,138.80 and 757,071.12
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Solution
The fourth proportional to 1,149,578.68, 1,586,138.80 and 757,071.12 is: 1,044,573.89
Step by Step Solution
- Step 1: Write the proportion equation
1,149,578.68 : 1,586,138.80 = 757,071.12 : x - Step 2: Convert to fraction form
1,149,578.68/1,586,138.80 = 757,071.12/x - Step 3: Cross multiply
1,149,578.68x = 1,586,138.80 × 757,071.12 - Step 4: Simplify right side
1,149,578.68x = 1,200,819,877,791.46 - Step 5: Solve for x
x = 1,200,819,877,791.46/1,149,578.68 - Step 6: Final answer
x = 1,044,573.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.