Finding the Fourth Proportional to 1,120,201.80, 1,680,302.70 and 372,247.80
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Solution
The fourth proportional to 1,120,201.80, 1,680,302.70 and 372,247.80 is: 558,371.70
Step by Step Solution
- Step 1: Write the proportion equation
1,120,201.80 : 1,680,302.70 = 372,247.80 : x - Step 2: Convert to fraction form
1,120,201.80/1,680,302.70 = 372,247.80/x - Step 3: Cross multiply
1,120,201.80x = 1,680,302.70 × 372,247.80 - Step 4: Simplify right side
1,120,201.80x = 625,488,983,409.06 - Step 5: Solve for x
x = 625,488,983,409.06/1,120,201.80 - Step 6: Final answer
x = 558,371.70
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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.