Finding the Fourth Proportional to 1,071,361.85, 1,478,497.50 and 587,971.97
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Solution
The fourth proportional to 1,071,361.85, 1,478,497.50 and 587,971.97 is: 811,411.28
Step by Step Solution
- Step 1: Write the proportion equation
1,071,361.85 : 1,478,497.50 = 587,971.97 : x - Step 2: Convert to fraction form
1,071,361.85/1,478,497.50 = 587,971.97/x - Step 3: Cross multiply
1,071,361.85x = 1,478,497.50 × 587,971.97 - Step 4: Simplify right side
1,071,361.85x = 869,315,087,715.08 - Step 5: Solve for x
x = 869,315,087,715.08/1,071,361.85 - Step 6: Final answer
x = 811,411.28
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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.