Finding the Fourth Proportional to 1,278,564.62, 1,764,460.37 and 727,266.06
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Solution
The fourth proportional to 1,278,564.62, 1,764,460.37 and 727,266.06 is: 1,003,650.60
Step by Step Solution
- Step 1: Write the proportion equation
1,278,564.62 : 1,764,460.37 = 727,266.06 : x - Step 2: Convert to fraction form
1,278,564.62/1,764,460.37 = 727,266.06/x - Step 3: Cross multiply
1,278,564.62x = 1,764,460.37 × 727,266.06 - Step 4: Simplify right side
1,278,564.62x = 1,283,232,142,090.86 - Step 5: Solve for x
x = 1,283,232,142,090.86/1,278,564.62 - Step 6: Final answer
x = 1,003,650.60
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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.