Finding the Fourth Proportional to 1,246,749.75, 1,870,230.60 and 393,593.13
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Solution
The fourth proportional to 1,246,749.75, 1,870,230.60 and 393,593.13 is: 590,423.15
Step by Step Solution
- Step 1: Write the proportion equation
1,246,749.75 : 1,870,230.60 = 393,593.13 : x - Step 2: Convert to fraction form
1,246,749.75/1,870,230.60 = 393,593.13/x - Step 3: Cross multiply
1,246,749.75x = 1,870,230.60 × 393,593.13 - Step 4: Simplify right side
1,246,749.75x = 736,109,915,675.78 - Step 5: Solve for x
x = 736,109,915,675.78/1,246,749.75 - Step 6: Final answer
x = 590,423.15
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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.