Finding the Fourth Proportional to 1,274,212.98, 1,912,204.73 and 823,816.73
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Solution
The fourth proportional to 1,274,212.98, 1,912,204.73 and 823,816.73 is: 1,236,297.45
Step by Step Solution
- Step 1: Write the proportion equation
1,274,212.98 : 1,912,204.73 = 823,816.73 : x - Step 2: Convert to fraction form
1,274,212.98/1,912,204.73 = 823,816.73/x - Step 3: Cross multiply
1,274,212.98x = 1,912,204.73 × 823,816.73 - Step 4: Simplify right side
1,274,212.98x = 1,575,306,254,599.19 - Step 5: Solve for x
x = 1,575,306,254,599.19/1,274,212.98 - Step 6: Final answer
x = 1,236,297.45
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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.