Finding the Fourth Proportional to 1,188,609.76, 1,783,177.12 and 440,655.76
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Solution
The fourth proportional to 1,188,609.76, 1,783,177.12 and 440,655.76 is: 661,080.95
Step by Step Solution
- Step 1: Write the proportion equation
1,188,609.76 : 1,783,177.12 = 440,655.76 : x - Step 2: Convert to fraction form
1,188,609.76/1,783,177.12 = 440,655.76/x - Step 3: Cross multiply
1,188,609.76x = 1,783,177.12 × 440,655.76 - Step 4: Simplify right side
1,188,609.76x = 785,767,269,028.21 - Step 5: Solve for x
x = 785,767,269,028.21/1,188,609.76 - Step 6: Final answer
x = 661,080.95
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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.