Finding the Fourth Proportional to 1,202,878.17, 1,659,973.21 and 659,048.73
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Solution
The fourth proportional to 1,202,878.17, 1,659,973.21 and 659,048.73 is: 909,487.98
Step by Step Solution
- Step 1: Write the proportion equation
1,202,878.17 : 1,659,973.21 = 659,048.73 : x - Step 2: Convert to fraction form
1,202,878.17/1,659,973.21 = 659,048.73/x - Step 3: Cross multiply
1,202,878.17x = 1,659,973.21 × 659,048.73 - Step 4: Simplify right side
1,202,878.17x = 1,094,003,235,884.52 - Step 5: Solve for x
x = 1,094,003,235,884.52/1,202,878.17 - Step 6: Final answer
x = 909,487.98
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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.