Finding the Fourth Proportional to 1,278,322.70, 1,764,723.98 and 795,043.62
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Solution
The fourth proportional to 1,278,322.70, 1,764,723.98 and 795,043.62 is: 1,097,557.41
Step by Step Solution
- Step 1: Write the proportion equation
1,278,322.70 : 1,764,723.98 = 795,043.62 : x - Step 2: Convert to fraction form
1,278,322.70/1,764,723.98 = 795,043.62/x - Step 3: Cross multiply
1,278,322.70x = 1,764,723.98 × 795,043.62 - Step 4: Simplify right side
1,278,322.70x = 1,403,032,543,347.62 - Step 5: Solve for x
x = 1,403,032,543,347.62/1,278,322.70 - Step 6: Final answer
x = 1,097,557.41
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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.