Finding the Fourth Proportional to 1,107,067.66, 1,527,768.75 and 617,023.62
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Solution
The fourth proportional to 1,107,067.66, 1,527,768.75 and 617,023.62 is: 851,501.17
Step by Step Solution
- Step 1: Write the proportion equation
1,107,067.66 : 1,527,768.75 = 617,023.62 : x - Step 2: Convert to fraction form
1,107,067.66/1,527,768.75 = 617,023.62/x - Step 3: Cross multiply
1,107,067.66x = 1,527,768.75 × 617,023.62 - Step 4: Simplify right side
1,107,067.66x = 942,669,403,315.31 - Step 5: Solve for x
x = 942,669,403,315.31/1,107,067.66 - Step 6: Final answer
x = 851,501.17
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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.