Finding the Fourth Proportional to 1,498,943.25, 2,068,574.49 and 819,879.75
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Solution
The fourth proportional to 1,498,943.25, 2,068,574.49 and 819,879.75 is: 1,131,452.00
Step by Step Solution
- Step 1: Write the proportion equation
1,498,943.25 : 2,068,574.49 = 819,879.75 : x - Step 2: Convert to fraction form
1,498,943.25/2,068,574.49 = 819,879.75/x - Step 3: Cross multiply
1,498,943.25x = 2,068,574.49 × 819,879.75 - Step 4: Simplify right side
1,498,943.25x = 1,695,982,335,717.58 - Step 5: Solve for x
x = 1,695,982,335,717.58/1,498,943.25 - Step 6: Final answer
x = 1,131,452.00
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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.