Finding the Fourth Proportional to 1,031,324.70, 1,546,987.05 and 818,748.30
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Solution
The fourth proportional to 1,031,324.70, 1,546,987.05 and 818,748.30 is: 1,228,122.45
Step by Step Solution
- Step 1: Write the proportion equation
1,031,324.70 : 1,546,987.05 = 818,748.30 : x - Step 2: Convert to fraction form
1,031,324.70/1,546,987.05 = 818,748.30/x - Step 3: Cross multiply
1,031,324.70x = 1,546,987.05 × 818,748.30 - Step 4: Simplify right side
1,031,324.70x = 1,266,593,017,309.52 - Step 5: Solve for x
x = 1,266,593,017,309.52/1,031,324.70 - Step 6: Final answer
x = 1,228,122.45
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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.