Finding the Fourth Proportional to 1,224,259.11, 1,689,474.51 and 672,971.09
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Solution
The fourth proportional to 1,224,259.11, 1,689,474.51 and 672,971.09 is: 928,698.41
Step by Step Solution
- Step 1: Write the proportion equation
1,224,259.11 : 1,689,474.51 = 672,971.09 : x - Step 2: Convert to fraction form
1,224,259.11/1,689,474.51 = 672,971.09/x - Step 3: Cross multiply
1,224,259.11x = 1,689,474.51 × 672,971.09 - Step 4: Simplify right side
1,224,259.11x = 1,136,967,494,074.54 - Step 5: Solve for x
x = 1,136,967,494,074.54/1,224,259.11 - Step 6: Final answer
x = 928,698.41
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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.