Finding the Fourth Proportional to 1,085,971.68, 1,498,778.04 and 713,749.12
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Solution
The fourth proportional to 1,085,971.68, 1,498,778.04 and 713,749.12 is: 985,063.91
Step by Step Solution
- Step 1: Write the proportion equation
1,085,971.68 : 1,498,778.04 = 713,749.12 : x - Step 2: Convert to fraction form
1,085,971.68/1,498,778.04 = 713,749.12/x - Step 3: Cross multiply
1,085,971.68x = 1,498,778.04 × 713,749.12 - Step 4: Simplify right side
1,085,971.68x = 1,069,751,507,125.32 - Step 5: Solve for x
x = 1,069,751,507,125.32/1,085,971.68 - Step 6: Final answer
x = 985,063.91
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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.