Finding the Fourth Proportional to 1,408,873.26, 1,944,245.10 and 805,274.22
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Solution
The fourth proportional to 1,408,873.26, 1,944,245.10 and 805,274.22 is: 1,111,278.42
Step by Step Solution
- Step 1: Write the proportion equation
1,408,873.26 : 1,944,245.10 = 805,274.22 : x - Step 2: Convert to fraction form
1,408,873.26/1,944,245.10 = 805,274.22/x - Step 3: Cross multiply
1,408,873.26x = 1,944,245.10 × 805,274.22 - Step 4: Simplify right side
1,408,873.26x = 1,565,650,456,391.32 - Step 5: Solve for x
x = 1,565,650,456,391.32/1,408,873.26 - Step 6: Final answer
x = 1,111,278.42
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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.