Finding the Fourth Proportional to 1,261,914.21, 1,889,853.71 and 727,816.01
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Solution
The fourth proportional to 1,261,914.21, 1,889,853.71 and 727,816.01 is: 1,089,983.58
Step by Step Solution
- Step 1: Write the proportion equation
1,261,914.21 : 1,889,853.71 = 727,816.01 : x - Step 2: Convert to fraction form
1,261,914.21/1,889,853.71 = 727,816.01/x - Step 3: Cross multiply
1,261,914.21x = 1,889,853.71 × 727,816.01 - Step 4: Simplify right side
1,261,914.21x = 1,375,465,773,607.55 - Step 5: Solve for x
x = 1,375,465,773,607.55/1,261,914.21 - Step 6: Final answer
x = 1,089,983.58
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.