Finding the Fourth Proportional to 1,293,327.28, 1,784,608.80 and 734,502.64
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Solution
The fourth proportional to 1,293,327.28, 1,784,608.80 and 734,502.64 is: 1,013,509.80
Step by Step Solution
- Step 1: Write the proportion equation
1,293,327.28 : 1,784,608.80 = 734,502.64 : x - Step 2: Convert to fraction form
1,293,327.28/1,784,608.80 = 734,502.64/x - Step 3: Cross multiply
1,293,327.28x = 1,784,608.80 × 734,502.64 - Step 4: Simplify right side
1,293,327.28x = 1,310,799,874,967.23 - Step 5: Solve for x
x = 1,310,799,874,967.23/1,293,327.28 - Step 6: Final answer
x = 1,013,509.80
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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.