Finding the Fourth Proportional to 1,445,251.80, 1,994,446.44 and 791,878.44
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Solution
The fourth proportional to 1,445,251.80, 1,994,446.44 and 791,878.44 is: 1,092,791.68
Step by Step Solution
- Step 1: Write the proportion equation
1,445,251.80 : 1,994,446.44 = 791,878.44 : x - Step 2: Convert to fraction form
1,445,251.80/1,994,446.44 = 791,878.44/x - Step 3: Cross multiply
1,445,251.80x = 1,994,446.44 × 791,878.44 - Step 4: Simplify right side
1,445,251.80x = 1,579,359,135,570.75 - Step 5: Solve for x
x = 1,579,359,135,570.75/1,445,251.80 - Step 6: Final answer
x = 1,092,791.68
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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.