Finding the Fourth Proportional to 1,136,432.98, 1,568,310.64 and 620,220.18
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Solution
The fourth proportional to 1,136,432.98, 1,568,310.64 and 620,220.18 is: 855,921.93
Step by Step Solution
- Step 1: Write the proportion equation
1,136,432.98 : 1,568,310.64 = 620,220.18 : x - Step 2: Convert to fraction form
1,136,432.98/1,568,310.64 = 620,220.18/x - Step 3: Cross multiply
1,136,432.98x = 1,568,310.64 × 620,220.18 - Step 4: Simplify right side
1,136,432.98x = 972,697,907,436.72 - Step 5: Solve for x
x = 972,697,907,436.72/1,136,432.98 - Step 6: Final answer
x = 855,921.93
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.