Finding the Fourth Proportional to 1,092,737.80, 1,639,106.70 and 344,783.80
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Solution
The fourth proportional to 1,092,737.80, 1,639,106.70 and 344,783.80 is: 517,175.70
Step by Step Solution
- Step 1: Write the proportion equation
1,092,737.80 : 1,639,106.70 = 344,783.80 : x - Step 2: Convert to fraction form
1,092,737.80/1,639,106.70 = 344,783.80/x - Step 3: Cross multiply
1,092,737.80x = 1,639,106.70 × 344,783.80 - Step 4: Simplify right side
1,092,737.80x = 565,137,436,631.46 - Step 5: Solve for x
x = 565,137,436,631.46/1,092,737.80 - Step 6: Final answer
x = 517,175.70
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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.