Finding the Fourth Proportional to 1,214,120.68, 1,675,489.02 and 670,257.21
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Solution
The fourth proportional to 1,214,120.68, 1,675,489.02 and 670,257.21 is: 924,956.32
Step by Step Solution
- Step 1: Write the proportion equation
1,214,120.68 : 1,675,489.02 = 670,257.21 : x - Step 2: Convert to fraction form
1,214,120.68/1,675,489.02 = 670,257.21/x - Step 3: Cross multiply
1,214,120.68x = 1,675,489.02 × 670,257.21 - Step 4: Simplify right side
1,214,120.68x = 1,123,008,599,700.45 - Step 5: Solve for x
x = 1,123,008,599,700.45/1,214,120.68 - Step 6: Final answer
x = 924,956.32
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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.