Finding the Fourth Proportional to 1,063,586.94, 1,468,291.98 and 821,325.66
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Solution
The fourth proportional to 1,063,586.94, 1,468,291.98 and 821,325.66 is: 1,133,847.96
Step by Step Solution
- Step 1: Write the proportion equation
1,063,586.94 : 1,468,291.98 = 821,325.66 : x - Step 2: Convert to fraction form
1,063,586.94/1,468,291.98 = 821,325.66/x - Step 3: Cross multiply
1,063,586.94x = 1,468,291.98 × 821,325.66 - Step 4: Simplify right side
1,063,586.94x = 1,205,945,879,546.21 - Step 5: Solve for x
x = 1,205,945,879,546.21/1,063,586.94 - Step 6: Final answer
x = 1,133,847.96
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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.