Finding the Fourth Proportional to 1,248,944.22, 1,723,584.74 and 765,415.94
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Solution
The fourth proportional to 1,248,944.22, 1,723,584.74 and 765,415.94 is: 1,056,299.55
Step by Step Solution
- Step 1: Write the proportion equation
1,248,944.22 : 1,723,584.74 = 765,415.94 : x - Step 2: Convert to fraction form
1,248,944.22/1,723,584.74 = 765,415.94/x - Step 3: Cross multiply
1,248,944.22x = 1,723,584.74 × 765,415.94 - Step 4: Simplify right side
1,248,944.22x = 1,319,259,221,491.75 - Step 5: Solve for x
x = 1,319,259,221,491.75/1,248,944.22 - Step 6: Final answer
x = 1,056,299.55
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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.