Finding the Fourth Proportional to 1,130,861.80, 1,696,292.70 and 382,907.80
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Solution
The fourth proportional to 1,130,861.80, 1,696,292.70 and 382,907.80 is: 574,361.70
Step by Step Solution
- Step 1: Write the proportion equation
1,130,861.80 : 1,696,292.70 = 382,907.80 : x - Step 2: Convert to fraction form
1,130,861.80/1,696,292.70 = 382,907.80/x - Step 3: Cross multiply
1,130,861.80x = 1,696,292.70 × 382,907.80 - Step 4: Simplify right side
1,130,861.80x = 649,523,705,913.06 - Step 5: Solve for x
x = 649,523,705,913.06/1,130,861.80 - Step 6: Final answer
x = 574,361.70
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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.