Finding the Fourth Proportional to 1,260,464.40, 1,889,119.80 and 629,554.32
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Solution
The fourth proportional to 1,260,464.40, 1,889,119.80 and 629,554.32 is: 943,543.93
Step by Step Solution
- Step 1: Write the proportion equation
1,260,464.40 : 1,889,119.80 = 629,554.32 : x - Step 2: Convert to fraction form
1,260,464.40/1,889,119.80 = 629,554.32/x - Step 3: Cross multiply
1,260,464.40x = 1,889,119.80 × 629,554.32 - Step 4: Simplify right side
1,260,464.40x = 1,189,303,531,087.54 - Step 5: Solve for x
x = 1,189,303,531,087.54/1,260,464.40 - Step 6: Final answer
x = 943,543.93
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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.