Finding the Fourth Proportional to 1,121,370.86, 1,682,313.87 and 322,659.02
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Solution
The fourth proportional to 1,121,370.86, 1,682,313.87 and 322,659.02 is: 484,062.65
Step by Step Solution
- Step 1: Write the proportion equation
1,121,370.86 : 1,682,313.87 = 322,659.02 : x - Step 2: Convert to fraction form
1,121,370.86/1,682,313.87 = 322,659.02/x - Step 3: Cross multiply
1,121,370.86x = 1,682,313.87 × 322,659.02 - Step 4: Simplify right side
1,121,370.86x = 542,813,750,042.36 - Step 5: Solve for x
x = 542,813,750,042.36/1,121,370.86 - Step 6: Final answer
x = 484,062.65
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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.