Finding the Fourth Proportional to 1,278,444.36, 1,764,555.17 and 734,895.48
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Solution
The fourth proportional to 1,278,444.36, 1,764,555.17 and 734,895.48 is: 1,014,329.34
Step by Step Solution
- Step 1: Write the proportion equation
1,278,444.36 : 1,764,555.17 = 734,895.48 : x - Step 2: Convert to fraction form
1,278,444.36/1,764,555.17 = 734,895.48/x - Step 3: Cross multiply
1,278,444.36x = 1,764,555.17 × 734,895.48 - Step 4: Simplify right side
1,278,444.36x = 1,296,763,618,643.63 - Step 5: Solve for x
x = 1,296,763,618,643.63/1,278,444.36 - Step 6: Final answer
x = 1,014,329.34
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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.