Finding the Fourth Proportional to 1,102,322.86, 1,652,840.74 and 427,615.76
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Solution
The fourth proportional to 1,102,322.86, 1,652,840.74 and 427,615.76 is: 641,173.99
Step by Step Solution
- Step 1: Write the proportion equation
1,102,322.86 : 1,652,840.74 = 427,615.76 : x - Step 2: Convert to fraction form
1,102,322.86/1,652,840.74 = 427,615.76/x - Step 3: Cross multiply
1,102,322.86x = 1,652,840.74 × 427,615.76 - Step 4: Simplify right side
1,102,322.86x = 706,780,749,194.06 - Step 5: Solve for x
x = 706,780,749,194.06/1,102,322.86 - Step 6: Final answer
x = 641,173.99
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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.