Finding the Fourth Proportional to 1,418,715.41, 1,957,874.46 and 774,170.96
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Solution
The fourth proportional to 1,418,715.41, 1,957,874.46 and 774,170.96 is: 1,068,381.68
Step by Step Solution
- Step 1: Write the proportion equation
1,418,715.41 : 1,957,874.46 = 774,170.96 : x - Step 2: Convert to fraction form
1,418,715.41/1,957,874.46 = 774,170.96/x - Step 3: Cross multiply
1,418,715.41x = 1,957,874.46 × 774,170.96 - Step 4: Simplify right side
1,418,715.41x = 1,515,729,550,257.68 - Step 5: Solve for x
x = 1,515,729,550,257.68/1,418,715.41 - Step 6: Final answer
x = 1,068,381.68
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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.