Finding the Fourth Proportional to 1,372,537.17, 2,056,782.42 and 764,487.99
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Solution
The fourth proportional to 1,372,537.17, 2,056,782.42 and 764,487.99 is: 1,145,605.01
Step by Step Solution
- Step 1: Write the proportion equation
1,372,537.17 : 2,056,782.42 = 764,487.99 : x - Step 2: Convert to fraction form
1,372,537.17/2,056,782.42 = 764,487.99/x - Step 3: Cross multiply
1,372,537.17x = 2,056,782.42 × 764,487.99 - Step 4: Simplify right side
1,372,537.17x = 1,572,385,458,133.14 - Step 5: Solve for x
x = 1,572,385,458,133.14/1,372,537.17 - Step 6: Final answer
x = 1,145,605.01
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.