Finding the Fourth Proportional to 1,263,656.97, 1,743,844.09 and 719,792.55
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Solution
The fourth proportional to 1,263,656.97, 1,743,844.09 and 719,792.55 is: 993,312.28
Step by Step Solution
- Step 1: Write the proportion equation
1,263,656.97 : 1,743,844.09 = 719,792.55 : x - Step 2: Convert to fraction form
1,263,656.97/1,743,844.09 = 719,792.55/x - Step 3: Cross multiply
1,263,656.97x = 1,743,844.09 × 719,792.55 - Step 4: Simplify right side
1,263,656.97x = 1,255,205,984,343.53 - Step 5: Solve for x
x = 1,255,205,984,343.53/1,263,656.97 - Step 6: Final answer
x = 993,312.28
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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.