Finding the Fourth Proportional to 1,278,203.79, 1,764,560.42 and 794,924.62
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Solution
The fourth proportional to 1,278,203.79, 1,764,560.42 and 794,924.62 is: 1,097,393.49
Step by Step Solution
- Step 1: Write the proportion equation
1,278,203.79 : 1,764,560.42 = 794,924.62 : x - Step 2: Convert to fraction form
1,278,203.79/1,764,560.42 = 794,924.62/x - Step 3: Cross multiply
1,278,203.79x = 1,764,560.42 × 794,924.62 - Step 4: Simplify right side
1,278,203.79x = 1,402,692,517,360.92 - Step 5: Solve for x
x = 1,402,692,517,360.92/1,278,203.79 - Step 6: Final answer
x = 1,097,393.49
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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.