Finding the Fourth Proportional to 1,117,372.87, 1,542,025.34 and 658,506.81
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Solution
The fourth proportional to 1,117,372.87, 1,542,025.34 and 658,506.81 is: 908,769.32
Step by Step Solution
- Step 1: Write the proportion equation
1,117,372.87 : 1,542,025.34 = 658,506.81 : x - Step 2: Convert to fraction form
1,117,372.87/1,542,025.34 = 658,506.81/x - Step 3: Cross multiply
1,117,372.87x = 1,542,025.34 × 658,506.81 - Step 4: Simplify right side
1,117,372.87x = 1,015,434,190,333.23 - Step 5: Solve for x
x = 1,015,434,190,333.23/1,117,372.87 - Step 6: Final answer
x = 908,769.32
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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.