Finding the Fourth Proportional to 1,219,058.61, 1,682,226.98 and 675,161.97
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Solution
The fourth proportional to 1,219,058.61, 1,682,226.98 and 675,161.97 is: 931,682.59
Step by Step Solution
- Step 1: Write the proportion equation
1,219,058.61 : 1,682,226.98 = 675,161.97 : x - Step 2: Convert to fraction form
1,219,058.61/1,682,226.98 = 675,161.97/x - Step 3: Cross multiply
1,219,058.61x = 1,682,226.98 × 675,161.97 - Step 4: Simplify right side
1,219,058.61x = 1,135,775,678,428.14 - Step 5: Solve for x
x = 1,135,775,678,428.14/1,219,058.61 - Step 6: Final answer
x = 931,682.59
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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.