Finding the Fourth Proportional to 1,062,138.05, 1,593,205.62 and 493,208.05
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Solution
The fourth proportional to 1,062,138.05, 1,593,205.62 and 493,208.05 is: 739,811.40
Step by Step Solution
- Step 1: Write the proportion equation
1,062,138.05 : 1,593,205.62 = 493,208.05 : x - Step 2: Convert to fraction form
1,062,138.05/1,593,205.62 = 493,208.05/x - Step 3: Cross multiply
1,062,138.05x = 1,593,205.62 × 493,208.05 - Step 4: Simplify right side
1,062,138.05x = 785,781,833,106.23 - Step 5: Solve for x
x = 785,781,833,106.23/1,062,138.05 - Step 6: Final answer
x = 739,811.40
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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.