Finding the Fourth Proportional to 1,340,945.76, 1,850,512.64 and 729,104.52
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Solution
The fourth proportional to 1,340,945.76, 1,850,512.64 and 729,104.52 is: 1,006,168.31
Step by Step Solution
- Step 1: Write the proportion equation
1,340,945.76 : 1,850,512.64 = 729,104.52 : x - Step 2: Convert to fraction form
1,340,945.76/1,850,512.64 = 729,104.52/x - Step 3: Cross multiply
1,340,945.76x = 1,850,512.64 × 729,104.52 - Step 4: Simplify right side
1,340,945.76x = 1,349,217,130,141.13 - Step 5: Solve for x
x = 1,349,217,130,141.13/1,340,945.76 - Step 6: Final answer
x = 1,006,168.31
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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.