Finding the Fourth Proportional to 1,054,171.44, 1,581,552.41 and 423,528.12
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Solution
The fourth proportional to 1,054,171.44, 1,581,552.41 and 423,528.12 is: 635,410.80
Step by Step Solution
- Step 1: Write the proportion equation
1,054,171.44 : 1,581,552.41 = 423,528.12 : x - Step 2: Convert to fraction form
1,054,171.44/1,581,552.41 = 423,528.12/x - Step 3: Cross multiply
1,054,171.44x = 1,581,552.41 × 423,528.12 - Step 4: Simplify right side
1,054,171.44x = 669,831,916,771.13 - Step 5: Solve for x
x = 669,831,916,771.13/1,054,171.44 - Step 6: Final answer
x = 635,410.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.