Finding the Fourth Proportional to 1,232,236.26, 1,700,467.29 and 688,379.85
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Solution
The fourth proportional to 1,232,236.26, 1,700,467.29 and 688,379.85 is: 949,953.72
Step by Step Solution
- Step 1: Write the proportion equation
1,232,236.26 : 1,700,467.29 = 688,379.85 : x - Step 2: Convert to fraction form
1,232,236.26/1,700,467.29 = 688,379.85/x - Step 3: Cross multiply
1,232,236.26x = 1,700,467.29 × 688,379.85 - Step 4: Simplify right side
1,232,236.26x = 1,170,567,418,020.11 - Step 5: Solve for x
x = 1,170,567,418,020.11/1,232,236.26 - Step 6: Final answer
x = 949,953.72
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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.