Finding the Fourth Proportional to 1,019,392.62, 1,525,761.80 and 749,449.38
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Solution
The fourth proportional to 1,019,392.62, 1,525,761.80 and 749,449.38 is: 1,121,727.99
Step by Step Solution
- Step 1: Write the proportion equation
1,019,392.62 : 1,525,761.80 = 749,449.38 : x - Step 2: Convert to fraction form
1,019,392.62/1,525,761.80 = 749,449.38/x - Step 3: Cross multiply
1,019,392.62x = 1,525,761.80 × 749,449.38 - Step 4: Simplify right side
1,019,392.62x = 1,143,481,235,037.68 - Step 5: Solve for x
x = 1,143,481,235,037.68/1,019,392.62 - Step 6: Final answer
x = 1,121,727.99
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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.