Finding the Fourth Proportional to 1,345,233.87, 2,017,858.08 and 398,612.79
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Solution
The fourth proportional to 1,345,233.87, 2,017,858.08 and 398,612.79 is: 597,921.34
Step by Step Solution
- Step 1: Write the proportion equation
1,345,233.87 : 2,017,858.08 = 398,612.79 : x - Step 2: Convert to fraction form
1,345,233.87/2,017,858.08 = 398,612.79/x - Step 3: Cross multiply
1,345,233.87x = 2,017,858.08 × 398,612.79 - Step 4: Simplify right side
1,345,233.87x = 804,344,039,092.84 - Step 5: Solve for x
x = 804,344,039,092.84/1,345,233.87 - Step 6: Final answer
x = 597,921.34
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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.