Finding the Fourth Proportional to 1,408,143.22, 2,112,303.99 and 543,990.26
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Solution
The fourth proportional to 1,408,143.22, 2,112,303.99 and 543,990.26 is: 816,019.84
Step by Step Solution
- Step 1: Write the proportion equation
1,408,143.22 : 2,112,303.99 = 543,990.26 : x - Step 2: Convert to fraction form
1,408,143.22/2,112,303.99 = 543,990.26/x - Step 3: Cross multiply
1,408,143.22x = 2,112,303.99 × 543,990.26 - Step 4: Simplify right side
1,408,143.22x = 1,149,072,804,039.86 - Step 5: Solve for x
x = 1,149,072,804,039.86/1,408,143.22 - Step 6: Final answer
x = 816,019.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.