Finding the Fourth Proportional to 1,125,317.95, 1,686,738.51 and 555,855.97
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Solution
The fourth proportional to 1,125,317.95, 1,686,738.51 and 555,855.97 is: 833,172.23
Step by Step Solution
- Step 1: Write the proportion equation
1,125,317.95 : 1,686,738.51 = 555,855.97 : x - Step 2: Convert to fraction form
1,125,317.95/1,686,738.51 = 555,855.97/x - Step 3: Cross multiply
1,125,317.95x = 1,686,738.51 × 555,855.97 - Step 4: Simplify right side
1,125,317.95x = 937,583,670,612.41 - Step 5: Solve for x
x = 937,583,670,612.41/1,125,317.95 - Step 6: Final answer
x = 833,172.23
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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.