Finding the Fourth Proportional to 1,120,526.60, 1,546,331.58 and 611,239.91
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Solution
The fourth proportional to 1,120,526.60, 1,546,331.58 and 611,239.91 is: 843,513.73
Step by Step Solution
- Step 1: Write the proportion equation
1,120,526.60 : 1,546,331.58 = 611,239.91 : x - Step 2: Convert to fraction form
1,120,526.60/1,546,331.58 = 611,239.91/x - Step 3: Cross multiply
1,120,526.60x = 1,546,331.58 × 611,239.91 - Step 4: Simplify right side
1,120,526.60x = 945,179,568,057.70 - Step 5: Solve for x
x = 945,179,568,057.70/1,120,526.60 - Step 6: Final answer
x = 843,513.73
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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.