Finding the Fourth Proportional to 1,230,117.25, 1,844,965.56 and 331,348.79
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Solution
The fourth proportional to 1,230,117.25, 1,844,965.56 and 331,348.79 is: 496,966.54
Step by Step Solution
- Step 1: Write the proportion equation
1,230,117.25 : 1,844,965.56 = 331,348.79 : x - Step 2: Convert to fraction form
1,230,117.25/1,844,965.56 = 331,348.79/x - Step 3: Cross multiply
1,230,117.25x = 1,844,965.56 × 331,348.79 - Step 4: Simplify right side
1,230,117.25x = 611,327,110,510.09 - Step 5: Solve for x
x = 611,327,110,510.09/1,230,117.25 - Step 6: Final answer
x = 496,966.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.