Finding the Fourth Proportional to 1,135,342.56, 1,703,013.84 and 461,790.30
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Solution
The fourth proportional to 1,135,342.56, 1,703,013.84 and 461,790.30 is: 692,685.45
Step by Step Solution
- Step 1: Write the proportion equation
1,135,342.56 : 1,703,013.84 = 461,790.30 : x - Step 2: Convert to fraction form
1,135,342.56/1,703,013.84 = 461,790.30/x - Step 3: Cross multiply
1,135,342.56x = 1,703,013.84 × 461,790.30 - Step 4: Simplify right side
1,135,342.56x = 786,435,272,077.75 - Step 5: Solve for x
x = 786,435,272,077.75/1,135,342.56 - Step 6: Final answer
x = 692,685.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.