Finding the Fourth Proportional to 1,213,737.09, 1,674,960.74 and 662,457.88
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Solution
The fourth proportional to 1,213,737.09, 1,674,960.74 and 662,457.88 is: 914,193.81
Step by Step Solution
- Step 1: Write the proportion equation
1,213,737.09 : 1,674,960.74 = 662,457.88 : x - Step 2: Convert to fraction form
1,213,737.09/1,674,960.74 = 662,457.88/x - Step 3: Cross multiply
1,213,737.09x = 1,674,960.74 × 662,457.88 - Step 4: Simplify right side
1,213,737.09x = 1,109,590,932,747.61 - Step 5: Solve for x
x = 1,109,590,932,747.61/1,213,737.09 - Step 6: Final answer
x = 914,193.81
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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.