Finding the Fourth Proportional to 1,229,980.62, 1,696,604.85 and 794,231.80
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Solution
The fourth proportional to 1,229,980.62, 1,696,604.85 and 794,231.80 is: 1,095,543.70
Step by Step Solution
- Step 1: Write the proportion equation
1,229,980.62 : 1,696,604.85 = 794,231.80 : x - Step 2: Convert to fraction form
1,229,980.62/1,696,604.85 = 794,231.80/x - Step 3: Cross multiply
1,229,980.62x = 1,696,604.85 × 794,231.80 - Step 4: Simplify right side
1,229,980.62x = 1,347,497,523,904.23 - Step 5: Solve for x
x = 1,347,497,523,904.23/1,229,980.62 - Step 6: Final answer
x = 1,095,543.70
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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.