Finding the Fourth Proportional to 1,067,757.99, 1,473,278.16 and 632,312.12
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Solution
The fourth proportional to 1,067,757.99, 1,473,278.16 and 632,312.12 is: 872,455.78
Step by Step Solution
- Step 1: Write the proportion equation
1,067,757.99 : 1,473,278.16 = 632,312.12 : x - Step 2: Convert to fraction form
1,067,757.99/1,473,278.16 = 632,312.12/x - Step 3: Cross multiply
1,067,757.99x = 1,473,278.16 × 632,312.12 - Step 4: Simplify right side
1,067,757.99x = 931,571,629,332.91 - Step 5: Solve for x
x = 931,571,629,332.91/1,067,757.99 - Step 6: Final answer
x = 872,455.78
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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.