Finding the Fourth Proportional to 1,232,531.12, 1,700,736.64 and 723,047.60
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Solution
The fourth proportional to 1,232,531.12, 1,700,736.64 and 723,047.60 is: 997,713.99
Step by Step Solution
- Step 1: Write the proportion equation
1,232,531.12 : 1,700,736.64 = 723,047.60 : x - Step 2: Convert to fraction form
1,232,531.12/1,700,736.64 = 723,047.60/x - Step 3: Cross multiply
1,232,531.12x = 1,700,736.64 × 723,047.60 - Step 4: Simplify right side
1,232,531.12x = 1,229,713,545,784.06 - Step 5: Solve for x
x = 1,229,713,545,784.06/1,232,531.12 - Step 6: Final answer
x = 997,713.99
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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.