Finding the Fourth Proportional to 1,201,192.56, 1,657,622.36 and 664,648.56
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Solution
The fourth proportional to 1,201,192.56, 1,657,622.36 and 664,648.56 is: 917,202.08
Step by Step Solution
- Step 1: Write the proportion equation
1,201,192.56 : 1,657,622.36 = 664,648.56 : x - Step 2: Convert to fraction form
1,201,192.56/1,657,622.36 = 664,648.56/x - Step 3: Cross multiply
1,201,192.56x = 1,657,622.36 × 664,648.56 - Step 4: Simplify right side
1,201,192.56x = 1,101,736,314,597.80 - Step 5: Solve for x
x = 1,101,736,314,597.80/1,201,192.56 - Step 6: Final answer
x = 917,202.08
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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.