Finding the Fourth Proportional to 1,062,139.05, 1,593,207.12 and 493,209.05
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Solution
The fourth proportional to 1,062,139.05, 1,593,207.12 and 493,209.05 is: 739,812.90
Step by Step Solution
- Step 1: Write the proportion equation
1,062,139.05 : 1,593,207.12 = 493,209.05 : x - Step 2: Convert to fraction form
1,062,139.05/1,593,207.12 = 493,209.05/x - Step 3: Cross multiply
1,062,139.05x = 1,593,207.12 × 493,209.05 - Step 4: Simplify right side
1,062,139.05x = 785,784,170,108.44 - Step 5: Solve for x
x = 785,784,170,108.44/1,062,139.05 - Step 6: Final answer
x = 739,812.90
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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.