Finding the Fourth Proportional to 1,231,405.73, 1,847,170.84 and 472,981.26
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Solution
The fourth proportional to 1,231,405.73, 1,847,170.84 and 472,981.26 is: 709,495.80
Step by Step Solution
- Step 1: Write the proportion equation
1,231,405.73 : 1,847,170.84 = 472,981.26 : x - Step 2: Convert to fraction form
1,231,405.73/1,847,170.84 = 472,981.26/x - Step 3: Cross multiply
1,231,405.73x = 1,847,170.84 × 472,981.26 - Step 4: Simplify right side
1,231,405.73x = 873,677,191,338.46 - Step 5: Solve for x
x = 873,677,191,338.46/1,231,405.73 - Step 6: Final answer
x = 709,495.80
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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.