Finding the Fourth Proportional to 1,423,208.26, 1,964,114.49 and 819,790.66
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Solution
The fourth proportional to 1,423,208.26, 1,964,114.49 and 819,790.66 is: 1,131,361.28
Step by Step Solution
- Step 1: Write the proportion equation
1,423,208.26 : 1,964,114.49 = 819,790.66 : x - Step 2: Convert to fraction form
1,423,208.26/1,964,114.49 = 819,790.66/x - Step 3: Cross multiply
1,423,208.26x = 1,964,114.49 × 819,790.66 - Step 4: Simplify right side
1,423,208.26x = 1,610,162,714,072.66 - Step 5: Solve for x
x = 1,610,162,714,072.66/1,423,208.26 - Step 6: Final answer
x = 1,131,361.28
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.