Finding the Fourth Proportional to 1,121,762.37, 1,682,997.63 and 853,177.08
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Solution
The fourth proportional to 1,121,762.37, 1,682,997.63 and 853,177.08 is: 1,280,034.92
Step by Step Solution
- Step 1: Write the proportion equation
1,121,762.37 : 1,682,997.63 = 853,177.08 : x - Step 2: Convert to fraction form
1,121,762.37/1,682,997.63 = 853,177.08/x - Step 3: Cross multiply
1,121,762.37x = 1,682,997.63 × 853,177.08 - Step 4: Simplify right side
1,121,762.37x = 1,435,895,003,610.32 - Step 5: Solve for x
x = 1,435,895,003,610.32/1,121,762.37 - Step 6: Final answer
x = 1,280,034.92
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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.