Finding the Fourth Proportional to 1,299,173.76, 1,792,854.24 and 726,213.12
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Solution
The fourth proportional to 1,299,173.76, 1,792,854.24 and 726,213.12 is: 1,002,171.00
Step by Step Solution
- Step 1: Write the proportion equation
1,299,173.76 : 1,792,854.24 = 726,213.12 : x - Step 2: Convert to fraction form
1,299,173.76/1,792,854.24 = 726,213.12/x - Step 3: Cross multiply
1,299,173.76x = 1,792,854.24 × 726,213.12 - Step 4: Simplify right side
1,299,173.76x = 1,301,994,271,335.63 - Step 5: Solve for x
x = 1,301,994,271,335.63/1,299,173.76 - Step 6: Final answer
x = 1,002,171.00
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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.