Finding the Fourth Proportional to 1,331,840.02, 1,837,489.48 and 758,474.23
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Solution
The fourth proportional to 1,331,840.02, 1,837,489.48 and 758,474.23 is: 1,046,438.31
Step by Step Solution
- Step 1: Write the proportion equation
1,331,840.02 : 1,837,489.48 = 758,474.23 : x - Step 2: Convert to fraction form
1,331,840.02/1,837,489.48 = 758,474.23/x - Step 3: Cross multiply
1,331,840.02x = 1,837,489.48 × 758,474.23 - Step 4: Simplify right side
1,331,840.02x = 1,393,688,418,476.10 - Step 5: Solve for x
x = 1,393,688,418,476.10/1,331,840.02 - Step 6: Final answer
x = 1,046,438.31
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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.