Finding the Fourth Proportional to 1,246,998.35, 1,720,876.87 and 730,628.67
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Solution
The fourth proportional to 1,246,998.35, 1,720,876.87 and 730,628.67 is: 1,008,278.78
Step by Step Solution
- Step 1: Write the proportion equation
1,246,998.35 : 1,720,876.87 = 730,628.67 : x - Step 2: Convert to fraction form
1,246,998.35/1,720,876.87 = 730,628.67/x - Step 3: Cross multiply
1,246,998.35x = 1,720,876.87 × 730,628.67 - Step 4: Simplify right side
1,246,998.35x = 1,257,321,976,286.24 - Step 5: Solve for x
x = 1,257,321,976,286.24/1,246,998.35 - Step 6: Final answer
x = 1,008,278.78
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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.