Finding the Fourth Proportional to 1,132,577.12, 1,562,961.62 and 649,170.54
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Solution
The fourth proportional to 1,132,577.12, 1,562,961.62 and 649,170.54 is: 895,858.32
Step by Step Solution
- Step 1: Write the proportion equation
1,132,577.12 : 1,562,961.62 = 649,170.54 : x - Step 2: Convert to fraction form
1,132,577.12/1,562,961.62 = 649,170.54/x - Step 3: Cross multiply
1,132,577.12x = 1,562,961.62 × 649,170.54 - Step 4: Simplify right side
1,132,577.12x = 1,014,628,640,477.60 - Step 5: Solve for x
x = 1,014,628,640,477.60/1,132,577.12 - Step 6: Final answer
x = 895,858.32
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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.