Finding the Fourth Proportional to 1,101,743.36, 1,652,069.28 and 391,664.96
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Solution
The fourth proportional to 1,101,743.36, 1,652,069.28 and 391,664.96 is: 587,303.42
Step by Step Solution
- Step 1: Write the proportion equation
1,101,743.36 : 1,652,069.28 = 391,664.96 : x - Step 2: Convert to fraction form
1,101,743.36/1,652,069.28 = 391,664.96/x - Step 3: Cross multiply
1,101,743.36x = 1,652,069.28 × 391,664.96 - Step 4: Simplify right side
1,101,743.36x = 647,057,648,468.43 - Step 5: Solve for x
x = 647,057,648,468.43/1,101,743.36 - Step 6: Final answer
x = 587,303.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.