Finding the Fourth Proportional to 1,236,077.67, 1,854,649.34 and 667,345.85
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Solution
The fourth proportional to 1,236,077.67, 1,854,649.34 and 667,345.85 is: 1,001,306.45
Step by Step Solution
- Step 1: Write the proportion equation
1,236,077.67 : 1,854,649.34 = 667,345.85 : x - Step 2: Convert to fraction form
1,236,077.67/1,854,649.34 = 667,345.85/x - Step 3: Cross multiply
1,236,077.67x = 1,854,649.34 × 667,345.85 - Step 4: Simplify right side
1,236,077.67x = 1,237,692,540,254.24 - Step 5: Solve for x
x = 1,237,692,540,254.24/1,236,077.67 - Step 6: Final answer
x = 1,001,306.45
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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.