Finding the Fourth Proportional to 1,206,964.06, 1,665,639.77 and 663,135.08
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Solution
The fourth proportional to 1,206,964.06, 1,665,639.77 and 663,135.08 is: 915,142.53
Step by Step Solution
- Step 1: Write the proportion equation
1,206,964.06 : 1,665,639.77 = 663,135.08 : x - Step 2: Convert to fraction form
1,206,964.06/1,665,639.77 = 663,135.08/x - Step 3: Cross multiply
1,206,964.06x = 1,665,639.77 × 663,135.08 - Step 4: Simplify right side
1,206,964.06x = 1,104,544,150,486.26 - Step 5: Solve for x
x = 1,104,544,150,486.26/1,206,964.06 - Step 6: Final answer
x = 915,142.53
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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.