Finding the Fourth Proportional to 1,236,090.68, 1,854,668.78 and 667,358.84
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Solution
The fourth proportional to 1,236,090.68, 1,854,668.78 and 667,358.84 is: 1,001,325.89
Step by Step Solution
- Step 1: Write the proportion equation
1,236,090.68 : 1,854,668.78 = 667,358.84 : x - Step 2: Convert to fraction form
1,236,090.68/1,854,668.78 = 667,358.84/x - Step 3: Cross multiply
1,236,090.68x = 1,854,668.78 × 667,358.84 - Step 4: Simplify right side
1,236,090.68x = 1,237,729,605,605.02 - Step 5: Solve for x
x = 1,237,729,605,605.02/1,236,090.68 - Step 6: Final answer
x = 1,001,325.89
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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.