Finding the Fourth Proportional to 1,275,086.81, 1,759,619.80 and 702,125.62
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Solution
The fourth proportional to 1,275,086.81, 1,759,619.80 and 702,125.62 is: 968,933.35
Step by Step Solution
- Step 1: Write the proportion equation
1,275,086.81 : 1,759,619.80 = 702,125.62 : x - Step 2: Convert to fraction form
1,275,086.81/1,759,619.80 = 702,125.62/x - Step 3: Cross multiply
1,275,086.81x = 1,759,619.80 × 702,125.62 - Step 4: Simplify right side
1,275,086.81x = 1,235,474,139,517.88 - Step 5: Solve for x
x = 1,235,474,139,517.88/1,275,086.81 - Step 6: Final answer
x = 968,933.35
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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.