Finding the Fourth Proportional to 1,207,543.70, 1,812,898.35 and 809,963.30
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Solution
The fourth proportional to 1,207,543.70, 1,812,898.35 and 809,963.30 is: 1,216,006.62
Step by Step Solution
- Step 1: Write the proportion equation
1,207,543.70 : 1,812,898.35 = 809,963.30 : x - Step 2: Convert to fraction form
1,207,543.70/1,812,898.35 = 809,963.30/x - Step 3: Cross multiply
1,207,543.70x = 1,812,898.35 × 809,963.30 - Step 4: Simplify right side
1,207,543.70x = 1,468,381,130,130.56 - Step 5: Solve for x
x = 1,468,381,130,130.56/1,207,543.70 - Step 6: Final answer
x = 1,216,006.62
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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.