Finding the Fourth Proportional to 1,368,553.26, 1,888,569.94 and 756,689.88
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Solution
The fourth proportional to 1,368,553.26, 1,888,569.94 and 756,689.88 is: 1,044,213.48
Step by Step Solution
- Step 1: Write the proportion equation
1,368,553.26 : 1,888,569.94 = 756,689.88 : x - Step 2: Convert to fraction form
1,368,553.26/1,888,569.94 = 756,689.88/x - Step 3: Cross multiply
1,368,553.26x = 1,888,569.94 × 756,689.88 - Step 4: Simplify right side
1,368,553.26x = 1,429,061,761,270.21 - Step 5: Solve for x
x = 1,429,061,761,270.21/1,368,553.26 - Step 6: Final answer
x = 1,044,213.48
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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.