Finding the Fourth Proportional to 1,224,528.44, 1,689,869.42 and 673,267.41
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Solution
The fourth proportional to 1,224,528.44, 1,689,869.42 and 673,267.41 is: 929,120.12
Step by Step Solution
- Step 1: Write the proportion equation
1,224,528.44 : 1,689,869.42 = 673,267.41 : x - Step 2: Convert to fraction form
1,224,528.44/1,689,869.42 = 673,267.41/x - Step 3: Cross multiply
1,224,528.44x = 1,689,869.42 × 673,267.41 - Step 4: Simplify right side
1,224,528.44x = 1,137,734,006,800.02 - Step 5: Solve for x
x = 1,137,734,006,800.02/1,224,528.44 - Step 6: Final answer
x = 929,120.12
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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.