Finding the Fourth Proportional to 1,037,124, 1,555,948.44 and 289,170
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Solution
The fourth proportional to 1,037,124, 1,555,948.44 and 289,170 is: 433,828.17
Step by Step Solution
- Step 1: Write the proportion equation
1,037,124 : 1,555,948.44 = 289,170 : x - Step 2: Convert to fraction form
1,037,124/1,555,948.44 = 289,170/x - Step 3: Cross multiply
1,037,124x = 1,555,948.44 × 289,170 - Step 4: Simplify right side
1,037,124x = 449,933,610,394.80 - Step 5: Solve for x
x = 449,933,610,394.80/1,037,124 - Step 6: Final answer
x = 433,828.17
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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.