Finding the Fourth Proportional to 1,134,418.23, 1,565,477.08 and 618,176.68
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Solution
The fourth proportional to 1,134,418.23, 1,565,477.08 and 618,176.68 is: 853,072.87
Step by Step Solution
- Step 1: Write the proportion equation
1,134,418.23 : 1,565,477.08 = 618,176.68 : x - Step 2: Convert to fraction form
1,134,418.23/1,565,477.08 = 618,176.68/x - Step 3: Cross multiply
1,134,418.23x = 1,565,477.08 × 618,176.68 - Step 4: Simplify right side
1,134,418.23x = 967,741,418,471.36 - Step 5: Solve for x
x = 967,741,418,471.36/1,134,418.23 - Step 6: Final answer
x = 853,072.87
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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.