Finding the Fourth Proportional to 1,306,020.22, 1,802,209.08 and 732,949.68
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Solution
The fourth proportional to 1,306,020.22, 1,802,209.08 and 732,949.68 is: 1,011,415.10
Step by Step Solution
- Step 1: Write the proportion equation
1,306,020.22 : 1,802,209.08 = 732,949.68 : x - Step 2: Convert to fraction form
1,306,020.22/1,802,209.08 = 732,949.68/x - Step 3: Cross multiply
1,306,020.22x = 1,802,209.08 × 732,949.68 - Step 4: Simplify right side
1,306,020.22x = 1,320,928,568,479.09 - Step 5: Solve for x
x = 1,320,928,568,479.09/1,306,020.22 - Step 6: Final answer
x = 1,011,415.10
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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.