Finding the Fourth Proportional to 1,247,735.19, 1,871,934.36 and 394,821.99
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Solution
The fourth proportional to 1,247,735.19, 1,871,934.36 and 394,821.99 is: 592,337.91
Step by Step Solution
- Step 1: Write the proportion equation
1,247,735.19 : 1,871,934.36 = 394,821.99 : x - Step 2: Convert to fraction form
1,247,735.19/1,871,934.36 = 394,821.99/x - Step 3: Cross multiply
1,247,735.19x = 1,871,934.36 × 394,821.99 - Step 4: Simplify right side
1,247,735.19x = 739,080,849,164.58 - Step 5: Solve for x
x = 739,080,849,164.58/1,247,735.19 - Step 6: Final answer
x = 592,337.91
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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.