Finding the Fourth Proportional to 1,158,234.97, 1,598,423.25 and 668,022.18
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Solution
The fourth proportional to 1,158,234.97, 1,598,423.25 and 668,022.18 is: 921,904.63
Step by Step Solution
- Step 1: Write the proportion equation
1,158,234.97 : 1,598,423.25 = 668,022.18 : x - Step 2: Convert to fraction form
1,158,234.97/1,598,423.25 = 668,022.18/x - Step 3: Cross multiply
1,158,234.97x = 1,598,423.25 × 668,022.18 - Step 4: Simplify right side
1,158,234.97x = 1,067,782,184,027.69 - Step 5: Solve for x
x = 1,067,782,184,027.69/1,158,234.97 - Step 6: Final answer
x = 921,904.63
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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.