Finding the Fourth Proportional to 1,286,922.74, 1,775,976.84 and 706,175.82
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Solution
The fourth proportional to 1,286,922.74, 1,775,976.84 and 706,175.82 is: 974,535.51
Step by Step Solution
- Step 1: Write the proportion equation
1,286,922.74 : 1,775,976.84 = 706,175.82 : x - Step 2: Convert to fraction form
1,286,922.74/1,775,976.84 = 706,175.82/x - Step 3: Cross multiply
1,286,922.74x = 1,775,976.84 × 706,175.82 - Step 4: Simplify right side
1,286,922.74x = 1,254,151,901,288.01 - Step 5: Solve for x
x = 1,254,151,901,288.01/1,286,922.74 - Step 6: Final answer
x = 974,535.51
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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.