Finding the Fourth Proportional to 1,286,936.24, 1,775,995.47 and 706,189.32
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Solution
The fourth proportional to 1,286,936.24, 1,775,995.47 and 706,189.32 is: 974,554.14
Step by Step Solution
- Step 1: Write the proportion equation
1,286,936.24 : 1,775,995.47 = 706,189.32 : x - Step 2: Convert to fraction form
1,286,936.24/1,775,995.47 = 706,189.32/x - Step 3: Cross multiply
1,286,936.24x = 1,775,995.47 × 706,189.32 - Step 4: Simplify right side
1,286,936.24x = 1,254,189,033,282.38 - Step 5: Solve for x
x = 1,254,189,033,282.38/1,286,936.24 - Step 6: Final answer
x = 974,554.14
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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.