Finding the Fourth Proportional to 1,247,737.19, 1,871,937.36 and 394,823.99
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Solution
The fourth proportional to 1,247,737.19, 1,871,937.36 and 394,823.99 is: 592,340.91
Step by Step Solution
- Step 1: Write the proportion equation
1,247,737.19 : 1,871,937.36 = 394,823.99 : x - Step 2: Convert to fraction form
1,247,737.19/1,871,937.36 = 394,823.99/x - Step 3: Cross multiply
1,247,737.19x = 1,871,937.36 × 394,823.99 - Step 4: Simplify right side
1,247,737.19x = 739,085,777,505.27 - Step 5: Solve for x
x = 739,085,777,505.27/1,247,737.19 - Step 6: Final answer
x = 592,340.91
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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.