Finding the Fourth Proportional to 1,069,161.95, 1,603,982.28 and 359,170.62
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Solution
The fourth proportional to 1,069,161.95, 1,603,982.28 and 359,170.62 is: 538,836.34
Step by Step Solution
- Step 1: Write the proportion equation
1,069,161.95 : 1,603,982.28 = 359,170.62 : x - Step 2: Convert to fraction form
1,069,161.95/1,603,982.28 = 359,170.62/x - Step 3: Cross multiply
1,069,161.95x = 1,603,982.28 × 359,170.62 - Step 4: Simplify right side
1,069,161.95x = 576,103,309,976.61 - Step 5: Solve for x
x = 576,103,309,976.61/1,069,161.95 - Step 6: Final answer
x = 538,836.34
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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.