Finding the Fourth Proportional to 1,109,619.63, 1,531,268.67 and 600,311.07
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Solution
The fourth proportional to 1,109,619.63, 1,531,268.67 and 600,311.07 is: 828,425.80
Step by Step Solution
- Step 1: Write the proportion equation
1,109,619.63 : 1,531,268.67 = 600,311.07 : x - Step 2: Convert to fraction form
1,109,619.63/1,531,268.67 = 600,311.07/x - Step 3: Cross multiply
1,109,619.63x = 1,531,268.67 × 600,311.07 - Step 4: Simplify right side
1,109,619.63x = 919,237,533,745.18 - Step 5: Solve for x
x = 919,237,533,745.18/1,109,619.63 - Step 6: Final answer
x = 828,425.80
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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.