Finding the Fourth Proportional to 1,269,539.17, 1,751,964.06 and 725,686.73
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Solution
The fourth proportional to 1,269,539.17, 1,751,964.06 and 725,686.73 is: 1,001,447.70
Step by Step Solution
- Step 1: Write the proportion equation
1,269,539.17 : 1,751,964.06 = 725,686.73 : x - Step 2: Convert to fraction form
1,269,539.17/1,751,964.06 = 725,686.73/x - Step 3: Cross multiply
1,269,539.17x = 1,751,964.06 × 725,686.73 - Step 4: Simplify right side
1,269,539.17x = 1,271,377,076,880.16 - Step 5: Solve for x
x = 1,271,377,076,880.16/1,269,539.17 - Step 6: Final answer
x = 1,001,447.70
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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.