Finding the Fourth Proportional to 1,090,634.71, 1,505,119.99 and 631,741.97
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Solution
The fourth proportional to 1,090,634.71, 1,505,119.99 and 631,741.97 is: 871,829.46
Step by Step Solution
- Step 1: Write the proportion equation
1,090,634.71 : 1,505,119.99 = 631,741.97 : x - Step 2: Convert to fraction form
1,090,634.71/1,505,119.99 = 631,741.97/x - Step 3: Cross multiply
1,090,634.71x = 1,505,119.99 × 631,741.97 - Step 4: Simplify right side
1,090,634.71x = 950,847,467,568.98 - Step 5: Solve for x
x = 950,847,467,568.98/1,090,634.71 - Step 6: Final answer
x = 871,829.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.