Finding the Fourth Proportional to 1,202,908.60, 1,660,190.70 and 693,511.48
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Solution
The fourth proportional to 1,202,908.60, 1,660,190.70 and 693,511.48 is: 957,147.79
Step by Step Solution
- Step 1: Write the proportion equation
1,202,908.60 : 1,660,190.70 = 693,511.48 : x - Step 2: Convert to fraction form
1,202,908.60/1,660,190.70 = 693,511.48/x - Step 3: Cross multiply
1,202,908.60x = 1,660,190.70 × 693,511.48 - Step 4: Simplify right side
1,202,908.60x = 1,151,361,309,439.24 - Step 5: Solve for x
x = 1,151,361,309,439.24/1,202,908.60 - Step 6: Final answer
x = 957,147.79
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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.