Finding the Fourth Proportional to 1,207,247.58, 1,665,901.92 and 663,355.26
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Solution
The fourth proportional to 1,207,247.58, 1,665,901.92 and 663,355.26 is: 915,375.45
Step by Step Solution
- Step 1: Write the proportion equation
1,207,247.58 : 1,665,901.92 = 663,355.26 : x - Step 2: Convert to fraction form
1,207,247.58/1,665,901.92 = 663,355.26/x - Step 3: Cross multiply
1,207,247.58x = 1,665,901.92 × 663,355.26 - Step 4: Simplify right side
1,207,247.58x = 1,105,084,801,276.10 - Step 5: Solve for x
x = 1,105,084,801,276.10/1,207,247.58 - Step 6: Final answer
x = 915,375.45
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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.