Finding the Fourth Proportional to 1,202,157.34, 1,658,977.09 and 658,326.38
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Solution
The fourth proportional to 1,202,157.34, 1,658,977.09 and 658,326.38 is: 908,490.38
Step by Step Solution
- Step 1: Write the proportion equation
1,202,157.34 : 1,658,977.09 = 658,326.38 : x - Step 2: Convert to fraction form
1,202,157.34/1,658,977.09 = 658,326.38/x - Step 3: Cross multiply
1,202,157.34x = 1,658,977.09 × 658,326.38 - Step 4: Simplify right side
1,202,157.34x = 1,092,148,370,576.12 - Step 5: Solve for x
x = 1,092,148,370,576.12/1,202,157.34 - Step 6: Final answer
x = 908,490.38
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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.