Finding the Fourth Proportional to 1,247,514.81, 1,871,503.08 and 394,801.08
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Solution
The fourth proportional to 1,247,514.81, 1,871,503.08 and 394,801.08 is: 592,274.68
Step by Step Solution
- Step 1: Write the proportion equation
1,247,514.81 : 1,871,503.08 = 394,801.08 : x - Step 2: Convert to fraction form
1,247,514.81/1,871,503.08 = 394,801.08/x - Step 3: Cross multiply
1,247,514.81x = 1,871,503.08 × 394,801.08 - Step 4: Simplify right side
1,247,514.81x = 738,871,437,207.33 - Step 5: Solve for x
x = 738,871,437,207.33/1,247,514.81 - Step 6: Final answer
x = 592,274.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.