Finding the Fourth Proportional to 1,278,444.06, 1,764,352.53 and 734,769.63
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Solution
The fourth proportional to 1,278,444.06, 1,764,352.53 and 734,769.63 is: 1,014,039.41
Step by Step Solution
- Step 1: Write the proportion equation
1,278,444.06 : 1,764,352.53 = 734,769.63 : x - Step 2: Convert to fraction form
1,278,444.06/1,764,352.53 = 734,769.63/x - Step 3: Cross multiply
1,278,444.06x = 1,764,352.53 × 734,769.63 - Step 4: Simplify right side
1,278,444.06x = 1,296,392,655,657.66 - Step 5: Solve for x
x = 1,296,392,655,657.66/1,278,444.06 - Step 6: Final answer
x = 1,014,039.41
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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.