Finding the Fourth Proportional to 1,278,208.29, 1,764,566.63 and 794,929.12
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Solution
The fourth proportional to 1,278,208.29, 1,764,566.63 and 794,929.12 is: 1,097,399.70
Step by Step Solution
- Step 1: Write the proportion equation
1,278,208.29 : 1,764,566.63 = 794,929.12 : x - Step 2: Convert to fraction form
1,278,208.29/1,764,566.63 = 794,929.12/x - Step 3: Cross multiply
1,278,208.29x = 1,764,566.63 × 794,929.12 - Step 4: Simplify right side
1,278,208.29x = 1,402,705,398,367.27 - Step 5: Solve for x
x = 1,402,705,398,367.27/1,278,208.29 - Step 6: Final answer
x = 1,097,399.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.