Finding the Fourth Proportional to 1,235,541.12, 1,704,709.20 and 848,472.96
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Solution
The fourth proportional to 1,235,541.12, 1,704,709.20 and 848,472.96 is: 1,170,660.88
Step by Step Solution
- Step 1: Write the proportion equation
1,235,541.12 : 1,704,709.20 = 848,472.96 : x - Step 2: Convert to fraction form
1,235,541.12/1,704,709.20 = 848,472.96/x - Step 3: Cross multiply
1,235,541.12x = 1,704,709.20 × 848,472.96 - Step 4: Simplify right side
1,235,541.12x = 1,446,399,660,863.23 - Step 5: Solve for x
x = 1,446,399,660,863.23/1,235,541.12 - Step 6: Final answer
x = 1,170,660.88
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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.