Finding the Fourth Proportional to 1,138,887.41, 1,708,961.66 and 682,356.75
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Solution
The fourth proportional to 1,138,887.41, 1,708,961.66 and 682,356.75 is: 1,023,912.92
Step by Step Solution
- Step 1: Write the proportion equation
1,138,887.41 : 1,708,961.66 = 682,356.75 : x - Step 2: Convert to fraction form
1,138,887.41/1,708,961.66 = 682,356.75/x - Step 3: Cross multiply
1,138,887.41x = 1,708,961.66 × 682,356.75 - Step 4: Simplify right side
1,138,887.41x = 1,166,121,525,898.10 - Step 5: Solve for x
x = 1,166,121,525,898.10/1,138,887.41 - Step 6: Final answer
x = 1,023,912.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.