Finding the Fourth Proportional to 1,321,201.48, 1,823,248.02 and 717,593.80
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Solution
The fourth proportional to 1,321,201.48, 1,823,248.02 and 717,593.80 is: 990,274.00
Step by Step Solution
- Step 1: Write the proportion equation
1,321,201.48 : 1,823,248.02 = 717,593.80 : x - Step 2: Convert to fraction form
1,321,201.48/1,823,248.02 = 717,593.80/x - Step 3: Cross multiply
1,321,201.48x = 1,823,248.02 × 717,593.80 - Step 4: Simplify right side
1,321,201.48x = 1,308,351,475,014.28 - Step 5: Solve for x
x = 1,308,351,475,014.28/1,321,201.48 - Step 6: Final answer
x = 990,274.00
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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.