Finding the Fourth Proportional to 1,328,249.14, 1,991,718.62 and 559,606.52
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Solution
The fourth proportional to 1,328,249.14, 1,991,718.62 and 559,606.52 is: 839,133.79
Step by Step Solution
- Step 1: Write the proportion equation
1,328,249.14 : 1,991,718.62 = 559,606.52 : x - Step 2: Convert to fraction form
1,328,249.14/1,991,718.62 = 559,606.52/x - Step 3: Cross multiply
1,328,249.14x = 1,991,718.62 × 559,606.52 - Step 4: Simplify right side
1,328,249.14x = 1,114,578,730,037.19 - Step 5: Solve for x
x = 1,114,578,730,037.19/1,328,249.14 - Step 6: Final answer
x = 839,133.79
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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.