Finding the Fourth Proportional to 1,274,757.84, 1,913,318.64 and 644,114.88
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Solution
The fourth proportional to 1,274,757.84, 1,913,318.64 and 644,114.88 is: 966,769.51
Step by Step Solution
- Step 1: Write the proportion equation
1,274,757.84 : 1,913,318.64 = 644,114.88 : x - Step 2: Convert to fraction form
1,274,757.84/1,913,318.64 = 644,114.88/x - Step 3: Cross multiply
1,274,757.84x = 1,913,318.64 × 644,114.88 - Step 4: Simplify right side
1,274,757.84x = 1,232,397,006,205.36 - Step 5: Solve for x
x = 1,232,397,006,205.36/1,274,757.84 - Step 6: Final answer
x = 966,769.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.