Finding the Fourth Proportional to 1,072,615.08, 1,480,048.38 and 613,656.75
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Solution
The fourth proportional to 1,072,615.08, 1,480,048.38 and 613,656.75 is: 846,754.53
Step by Step Solution
- Step 1: Write the proportion equation
1,072,615.08 : 1,480,048.38 = 613,656.75 : x - Step 2: Convert to fraction form
1,072,615.08/1,480,048.38 = 613,656.75/x - Step 3: Cross multiply
1,072,615.08x = 1,480,048.38 × 613,656.75 - Step 4: Simplify right side
1,072,615.08x = 908,241,678,713.57 - Step 5: Solve for x
x = 908,241,678,713.57/1,072,615.08 - Step 6: Final answer
x = 846,754.53
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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.