Finding the Fourth Proportional to 1,036,677.94, 1,430,687.36 and 628,796.98
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Solution
The fourth proportional to 1,036,677.94, 1,430,687.36 and 628,796.98 is: 867,783.37
Step by Step Solution
- Step 1: Write the proportion equation
1,036,677.94 : 1,430,687.36 = 628,796.98 : x - Step 2: Convert to fraction form
1,036,677.94/1,430,687.36 = 628,796.98/x - Step 3: Cross multiply
1,036,677.94x = 1,430,687.36 × 628,796.98 - Step 4: Simplify right side
1,036,677.94x = 899,611,883,067.93 - Step 5: Solve for x
x = 899,611,883,067.93/1,036,677.94 - Step 6: Final answer
x = 867,783.37
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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.