Finding the Fourth Proportional to 1,331,551.68, 1,837,441.80 and 758,479.92
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Solution
The fourth proportional to 1,331,551.68, 1,837,441.80 and 758,479.92 is: 1,046,645.60
Step by Step Solution
- Step 1: Write the proportion equation
1,331,551.68 : 1,837,441.80 = 758,479.92 : x - Step 2: Convert to fraction form
1,331,551.68/1,837,441.80 = 758,479.92/x - Step 3: Cross multiply
1,331,551.68x = 1,837,441.80 × 758,479.92 - Step 4: Simplify right side
1,331,551.68x = 1,393,662,709,468.66 - Step 5: Solve for x
x = 1,393,662,709,468.66/1,331,551.68 - Step 6: Final answer
x = 1,046,645.60
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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.