Finding the Fourth Proportional to 1,309,203.68, 1,806,711.90 and 736,238.84
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Solution
The fourth proportional to 1,309,203.68, 1,806,711.90 and 736,238.84 is: 1,016,015.68
Step by Step Solution
- Step 1: Write the proportion equation
1,309,203.68 : 1,806,711.90 = 736,238.84 : x - Step 2: Convert to fraction form
1,309,203.68/1,806,711.90 = 736,238.84/x - Step 3: Cross multiply
1,309,203.68x = 1,806,711.90 × 736,238.84 - Step 4: Simplify right side
1,309,203.68x = 1,330,171,473,470.20 - Step 5: Solve for x
x = 1,330,171,473,470.20/1,309,203.68 - Step 6: Final answer
x = 1,016,015.68
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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.