Finding the Fourth Proportional to 1,135,734.90, 1,703,233.80 and 377,372.75
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Solution
The fourth proportional to 1,135,734.90, 1,703,233.80 and 377,372.75 is: 565,936.66
Step by Step Solution
- Step 1: Write the proportion equation
1,135,734.90 : 1,703,233.80 = 377,372.75 : x - Step 2: Convert to fraction form
1,135,734.90/1,703,233.80 = 377,372.75/x - Step 3: Cross multiply
1,135,734.90x = 1,703,233.80 × 377,372.75 - Step 4: Simplify right side
1,135,734.90x = 642,754,014,482.78 - Step 5: Solve for x
x = 642,754,014,482.78/1,135,734.90 - Step 6: Final answer
x = 565,936.66
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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.