Finding the Fourth Proportional to 1,011,739.34, 1,396,183.42 and 552,843.84
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Solution
The fourth proportional to 1,011,739.34, 1,396,183.42 and 552,843.84 is: 762,915.28
Step by Step Solution
- Step 1: Write the proportion equation
1,011,739.34 : 1,396,183.42 = 552,843.84 : x - Step 2: Convert to fraction form
1,011,739.34/1,396,183.42 = 552,843.84/x - Step 3: Cross multiply
1,011,739.34x = 1,396,183.42 × 552,843.84 - Step 4: Simplify right side
1,011,739.34x = 771,871,403,257.13 - Step 5: Solve for x
x = 771,871,403,257.13/1,011,739.34 - Step 6: Final answer
x = 762,915.28
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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.