Finding the Fourth Proportional to 1,193,321.88, 1,646,496.81 and 703,310.94
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Solution
The fourth proportional to 1,193,321.88, 1,646,496.81 and 703,310.94 is: 970,399.72
Step by Step Solution
- Step 1: Write the proportion equation
1,193,321.88 : 1,646,496.81 = 703,310.94 : x - Step 2: Convert to fraction form
1,193,321.88/1,646,496.81 = 703,310.94/x - Step 3: Cross multiply
1,193,321.88x = 1,646,496.81 × 703,310.94 - Step 4: Simplify right side
1,193,321.88x = 1,157,999,219,148.10 - Step 5: Solve for x
x = 1,157,999,219,148.10/1,193,321.88 - Step 6: Final answer
x = 970,399.72
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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.