Finding the Fourth Proportional to 1,424,318.92, 1,965,559.96 and 779,737.12
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Solution
The fourth proportional to 1,424,318.92, 1,965,559.96 and 779,737.12 is: 1,076,037.14
Step by Step Solution
- Step 1: Write the proportion equation
1,424,318.92 : 1,965,559.96 = 779,737.12 : x - Step 2: Convert to fraction form
1,424,318.92/1,965,559.96 = 779,737.12/x - Step 3: Cross multiply
1,424,318.92x = 1,965,559.96 × 779,737.12 - Step 4: Simplify right side
1,424,318.92x = 1,532,620,062,397.72 - Step 5: Solve for x
x = 1,532,620,062,397.72/1,424,318.92 - Step 6: Final answer
x = 1,076,037.14
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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.