Finding the Fourth Proportional to 1,383,456.27, 2,075,247.99 and 423,843.06
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Solution
The fourth proportional to 1,383,456.27, 2,075,247.99 and 423,843.06 is: 635,784.07
Step by Step Solution
- Step 1: Write the proportion equation
1,383,456.27 : 2,075,247.99 = 423,843.06 : x - Step 2: Convert to fraction form
1,383,456.27/2,075,247.99 = 423,843.06/x - Step 3: Cross multiply
1,383,456.27x = 2,075,247.99 × 423,843.06 - Step 4: Simplify right side
1,383,456.27x = 879,579,458,340.45 - Step 5: Solve for x
x = 879,579,458,340.45/1,383,456.27 - Step 6: Final answer
x = 635,784.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.