Finding the Fourth Proportional to 1,037,581.62, 1,556,673.23 and 430,257.17
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Solution
The fourth proportional to 1,037,581.62, 1,556,673.23 and 430,257.17 is: 645,510.48
Step by Step Solution
- Step 1: Write the proportion equation
1,037,581.62 : 1,556,673.23 = 430,257.17 : x - Step 2: Convert to fraction form
1,037,581.62/1,556,673.23 = 430,257.17/x - Step 3: Cross multiply
1,037,581.62x = 1,556,673.23 × 430,257.17 - Step 4: Simplify right side
1,037,581.62x = 669,769,811,846.84 - Step 5: Solve for x
x = 669,769,811,846.84/1,037,581.62 - Step 6: Final answer
x = 645,510.48
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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.