Finding the Fourth Proportional to 1,183,291.36, 1,632,941.76 and 646,747.36
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Solution
The fourth proportional to 1,183,291.36, 1,632,941.76 and 646,747.36 is: 892,511.18
Step by Step Solution
- Step 1: Write the proportion equation
1,183,291.36 : 1,632,941.76 = 646,747.36 : x - Step 2: Convert to fraction form
1,183,291.36/1,632,941.76 = 646,747.36/x - Step 3: Cross multiply
1,183,291.36x = 1,632,941.76 × 646,747.36 - Step 4: Simplify right side
1,183,291.36x = 1,056,100,772,313.75 - Step 5: Solve for x
x = 1,056,100,772,313.75/1,183,291.36 - Step 6: Final answer
x = 892,511.18
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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.