Finding the Fourth Proportional to 1,351,859.12, 1,865,437.99 and 807,886.61
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Solution
The fourth proportional to 1,351,859.12, 1,865,437.99 and 807,886.61 is: 1,114,807.27
Step by Step Solution
- Step 1: Write the proportion equation
1,351,859.12 : 1,865,437.99 = 807,886.61 : x - Step 2: Convert to fraction form
1,351,859.12/1,865,437.99 = 807,886.61/x - Step 3: Cross multiply
1,351,859.12x = 1,865,437.99 × 807,886.61 - Step 4: Simplify right side
1,351,859.12x = 1,507,062,373,906.31 - Step 5: Solve for x
x = 1,507,062,373,906.31/1,351,859.12 - Step 6: Final answer
x = 1,114,807.27
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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.