Finding the Fourth Proportional to 1,121,372.86, 1,682,316.87 and 322,661.02
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Solution
The fourth proportional to 1,121,372.86, 1,682,316.87 and 322,661.02 is: 484,065.65
Step by Step Solution
- Step 1: Write the proportion equation
1,121,372.86 : 1,682,316.87 = 322,661.02 : x - Step 2: Convert to fraction form
1,121,372.86/1,682,316.87 = 322,661.02/x - Step 3: Cross multiply
1,121,372.86x = 1,682,316.87 × 322,661.02 - Step 4: Simplify right side
1,121,372.86x = 542,818,077,237.41 - Step 5: Solve for x
x = 542,818,077,237.41/1,121,372.86 - Step 6: Final answer
x = 484,065.65
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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.