Finding the Fourth Proportional to 1,193,445.87, 1,646,990.92 and 734,825.01
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Solution
The fourth proportional to 1,193,445.87, 1,646,990.92 and 734,825.01 is: 1,014,080.45
Step by Step Solution
- Step 1: Write the proportion equation
1,193,445.87 : 1,646,990.92 = 734,825.01 : x - Step 2: Convert to fraction form
1,193,445.87/1,646,990.92 = 734,825.01/x - Step 3: Cross multiply
1,193,445.87x = 1,646,990.92 × 734,825.01 - Step 4: Simplify right side
1,193,445.87x = 1,210,250,126,353.66 - Step 5: Solve for x
x = 1,210,250,126,353.66/1,193,445.87 - Step 6: Final answer
x = 1,014,080.45
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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.