Finding the Fourth Proportional to 1,232,533.12, 1,700,739.40 and 723,049.60
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Solution
The fourth proportional to 1,232,533.12, 1,700,739.40 and 723,049.60 is: 997,716.75
Step by Step Solution
- Step 1: Write the proportion equation
1,232,533.12 : 1,700,739.40 = 723,049.60 : x - Step 2: Convert to fraction form
1,232,533.12/1,700,739.40 = 723,049.60/x - Step 3: Cross multiply
1,232,533.12x = 1,700,739.40 × 723,049.60 - Step 4: Simplify right side
1,232,533.12x = 1,229,718,942,874.24 - Step 5: Solve for x
x = 1,229,718,942,874.24/1,232,533.12 - Step 6: Final answer
x = 997,716.75
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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.