Finding the Fourth Proportional to 1,445,514.48, 2,170,257.84 and 736,019.28
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Solution
The fourth proportional to 1,445,514.48, 2,170,257.84 and 736,019.28 is: 1,105,040.20
Step by Step Solution
- Step 1: Write the proportion equation
1,445,514.48 : 2,170,257.84 = 736,019.28 : x - Step 2: Convert to fraction form
1,445,514.48/2,170,257.84 = 736,019.28/x - Step 3: Cross multiply
1,445,514.48x = 2,170,257.84 × 736,019.28 - Step 4: Simplify right side
1,445,514.48x = 1,597,351,612,811.16 - Step 5: Solve for x
x = 1,597,351,612,811.16/1,445,514.48 - Step 6: Final answer
x = 1,105,040.20
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.