Finding the Fourth Proportional to 1,204,841.70, 1,662,575.65 and 688,493.12
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Solution
The fourth proportional to 1,204,841.70, 1,662,575.65 and 688,493.12 is: 950,059.99
Step by Step Solution
- Step 1: Write the proportion equation
1,204,841.70 : 1,662,575.65 = 688,493.12 : x - Step 2: Convert to fraction form
1,204,841.70/1,662,575.65 = 688,493.12/x - Step 3: Cross multiply
1,204,841.70x = 1,662,575.65 × 688,493.12 - Step 4: Simplify right side
1,204,841.70x = 1,144,671,898,939.73 - Step 5: Solve for x
x = 1,144,671,898,939.73/1,204,841.70 - Step 6: Final answer
x = 950,059.99
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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.