Finding the Fourth Proportional to 1,234,170.99, 1,703,313.70 and 690,336.99
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Solution
The fourth proportional to 1,234,170.99, 1,703,313.70 and 690,336.99 is: 952,753.27
Step by Step Solution
- Step 1: Write the proportion equation
1,234,170.99 : 1,703,313.70 = 690,336.99 : x - Step 2: Convert to fraction form
1,234,170.99/1,703,313.70 = 690,336.99/x - Step 3: Cross multiply
1,234,170.99x = 1,703,313.70 × 690,336.99 - Step 4: Simplify right side
1,234,170.99x = 1,175,860,450,957.92 - Step 5: Solve for x
x = 1,175,860,450,957.92/1,234,170.99 - Step 6: Final answer
x = 952,753.27
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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.