Finding the Fourth Proportional to 1,384,124.70, 2,076,187.05 and 585,140.70
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Solution
The fourth proportional to 1,384,124.70, 2,076,187.05 and 585,140.70 is: 877,711.05
Step by Step Solution
- Step 1: Write the proportion equation
1,384,124.70 : 2,076,187.05 = 585,140.70 : x - Step 2: Convert to fraction form
1,384,124.70/2,076,187.05 = 585,140.70/x - Step 3: Cross multiply
1,384,124.70x = 2,076,187.05 × 585,140.70 - Step 4: Simplify right side
1,384,124.70x = 1,214,861,543,767.93 - Step 5: Solve for x
x = 1,214,861,543,767.93/1,384,124.70 - Step 6: Final answer
x = 877,711.05
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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.