Finding the Fourth Proportional to 1,358,453.53, 1,874,626.34 and 777,657.05
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Solution
The fourth proportional to 1,358,453.53, 1,874,626.34 and 777,657.05 is: 1,073,144.10
Step by Step Solution
- Step 1: Write the proportion equation
1,358,453.53 : 1,874,626.34 = 777,657.05 : x - Step 2: Convert to fraction form
1,358,453.53/1,874,626.34 = 777,657.05/x - Step 3: Cross multiply
1,358,453.53x = 1,874,626.34 × 777,657.05 - Step 4: Simplify right side
1,358,453.53x = 1,457,816,393,729.90 - Step 5: Solve for x
x = 1,457,816,393,729.90/1,358,453.53 - Step 6: Final answer
x = 1,073,144.10
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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.