Finding the Fourth Proportional to 1,248,361.26, 1,722,749.58 and 675,412.82
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Solution
The fourth proportional to 1,248,361.26, 1,722,749.58 and 675,412.82 is: 932,075.67
Step by Step Solution
- Step 1: Write the proportion equation
1,248,361.26 : 1,722,749.58 = 675,412.82 : x - Step 2: Convert to fraction form
1,248,361.26/1,722,749.58 = 675,412.82/x - Step 3: Cross multiply
1,248,361.26x = 1,722,749.58 × 675,412.82 - Step 4: Simplify right side
1,248,361.26x = 1,163,567,151,981.62 - Step 5: Solve for x
x = 1,163,567,151,981.62/1,248,361.26 - Step 6: Final answer
x = 932,075.67
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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.