Finding the Fourth Proportional to 1,330,393.70, 1,995,007.35 and 531,409.70
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Solution
The fourth proportional to 1,330,393.70, 1,995,007.35 and 531,409.70 is: 796,881.60
Step by Step Solution
- Step 1: Write the proportion equation
1,330,393.70 : 1,995,007.35 = 531,409.70 : x - Step 2: Convert to fraction form
1,330,393.70/1,995,007.35 = 531,409.70/x - Step 3: Cross multiply
1,330,393.70x = 1,995,007.35 × 531,409.70 - Step 4: Simplify right side
1,330,393.70x = 1,060,166,257,361.30 - Step 5: Solve for x
x = 1,060,166,257,361.30/1,330,393.70 - Step 6: Final answer
x = 796,881.60
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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.