Finding the Fourth Proportional to 1,207,729.83, 1,811,602.44 and 354,798.01
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Solution
The fourth proportional to 1,207,729.83, 1,811,602.44 and 354,798.01 is: 532,199.28
Step by Step Solution
- Step 1: Write the proportion equation
1,207,729.83 : 1,811,602.44 = 354,798.01 : x - Step 2: Convert to fraction form
1,207,729.83/1,811,602.44 = 354,798.01/x - Step 3: Cross multiply
1,207,729.83x = 1,811,602.44 × 354,798.01 - Step 4: Simplify right side
1,207,729.83x = 642,752,940,623.14 - Step 5: Solve for x
x = 642,752,940,623.14/1,207,729.83 - Step 6: Final answer
x = 532,199.28
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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.