Finding the Fourth Proportional to 1,183,242.48, 1,632,874.68 and 646,698.48
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Solution
The fourth proportional to 1,183,242.48, 1,632,874.68 and 646,698.48 is: 892,443.93
Step by Step Solution
- Step 1: Write the proportion equation
1,183,242.48 : 1,632,874.68 = 646,698.48 : x - Step 2: Convert to fraction form
1,183,242.48/1,632,874.68 = 646,698.48/x - Step 3: Cross multiply
1,183,242.48x = 1,632,874.68 × 646,698.48 - Step 4: Simplify right side
1,183,242.48x = 1,055,977,573,586.49 - Step 5: Solve for x
x = 1,055,977,573,586.49/1,183,242.48 - Step 6: Final answer
x = 892,443.93
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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.