Finding the Fourth Proportional to 1,211,636.88, 1,817,782.56 and 370,165.68
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Solution
The fourth proportional to 1,211,636.88, 1,817,782.56 and 370,165.68 is: 555,348.49
Step by Step Solution
- Step 1: Write the proportion equation
1,211,636.88 : 1,817,782.56 = 370,165.68 : x - Step 2: Convert to fraction form
1,211,636.88/1,817,782.56 = 370,165.68/x - Step 3: Cross multiply
1,211,636.88x = 1,817,782.56 × 370,165.68 - Step 4: Simplify right side
1,211,636.88x = 672,880,717,414.54 - Step 5: Solve for x
x = 672,880,717,414.54/1,211,636.88 - Step 6: Final answer
x = 555,348.49
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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.