Finding the Fourth Proportional to 1,115,448, 1,539,276.12 and 606,139.44
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Solution
The fourth proportional to 1,115,448, 1,539,276.12 and 606,139.44 is: 836,449.54
Step by Step Solution
- Step 1: Write the proportion equation
1,115,448 : 1,539,276.12 = 606,139.44 : x - Step 2: Convert to fraction form
1,115,448/1,539,276.12 = 606,139.44/x - Step 3: Cross multiply
1,115,448x = 1,539,276.12 × 606,139.44 - Step 4: Simplify right side
1,115,448x = 933,015,965,382.17 - Step 5: Solve for x
x = 933,015,965,382.17/1,115,448 - Step 6: Final answer
x = 836,449.54
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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.