Finding the Fourth Proportional to 1,438,057.34, 1,984,560.36 and 793,519.06
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Solution
The fourth proportional to 1,438,057.34, 1,984,560.36 and 793,519.06 is: 1,095,079.04
Step by Step Solution
- Step 1: Write the proportion equation
1,438,057.34 : 1,984,560.36 = 793,519.06 : x - Step 2: Convert to fraction form
1,438,057.34/1,984,560.36 = 793,519.06/x - Step 3: Cross multiply
1,438,057.34x = 1,984,560.36 × 793,519.06 - Step 4: Simplify right side
1,438,057.34x = 1,574,786,457,490.06 - Step 5: Solve for x
x = 1,574,786,457,490.06/1,438,057.34 - Step 6: Final answer
x = 1,095,079.04
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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.