Finding the Fourth Proportional to 1,246,673.38, 1,720,335.08 and 723,343.50
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Solution
The fourth proportional to 1,246,673.38, 1,720,335.08 and 723,343.50 is: 998,170.99
Step by Step Solution
- Step 1: Write the proportion equation
1,246,673.38 : 1,720,335.08 = 723,343.50 : x - Step 2: Convert to fraction form
1,246,673.38/1,720,335.08 = 723,343.50/x - Step 3: Cross multiply
1,246,673.38x = 1,720,335.08 × 723,343.50 - Step 4: Simplify right side
1,246,673.38x = 1,244,393,197,939.98 - Step 5: Solve for x
x = 1,244,393,197,939.98/1,246,673.38 - Step 6: Final answer
x = 998,170.99
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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.