Finding the Fourth Proportional to 1,310,571.93, 1,965,971.53 and 399,959.44
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Solution
The fourth proportional to 1,310,571.93, 1,965,971.53 and 399,959.44 is: 599,973.83
Step by Step Solution
- Step 1: Write the proportion equation
1,310,571.93 : 1,965,971.53 = 399,959.44 : x - Step 2: Convert to fraction form
1,310,571.93/1,965,971.53 = 399,959.44/x - Step 3: Cross multiply
1,310,571.93x = 1,965,971.53 × 399,959.44 - Step 4: Simplify right side
1,310,571.93x = 786,308,867,779.76 - Step 5: Solve for x
x = 786,308,867,779.76/1,310,571.93 - Step 6: Final answer
x = 599,973.83
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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.