Finding the Fourth Proportional to 1,134,424.98, 1,565,486.39 and 618,183.43
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Solution
The fourth proportional to 1,134,424.98, 1,565,486.39 and 618,183.43 is: 853,082.19
Step by Step Solution
- Step 1: Write the proportion equation
1,134,424.98 : 1,565,486.39 = 618,183.43 : x - Step 2: Convert to fraction form
1,134,424.98/1,565,486.39 = 618,183.43/x - Step 3: Cross multiply
1,134,424.98x = 1,565,486.39 × 618,183.43 - Step 4: Simplify right side
1,134,424.98x = 967,757,743,820.26 - Step 5: Solve for x
x = 967,757,743,820.26/1,134,424.98 - Step 6: Final answer
x = 853,082.19
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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.