Finding the Fourth Proportional to 1,122,491.81, 1,683,752.31 and 374,537.81
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Solution
The fourth proportional to 1,122,491.81, 1,683,752.31 and 374,537.81 is: 561,811.59
Step by Step Solution
- Step 1: Write the proportion equation
1,122,491.81 : 1,683,752.31 = 374,537.81 : x - Step 2: Convert to fraction form
1,122,491.81/1,683,752.31 = 374,537.81/x - Step 3: Cross multiply
1,122,491.81x = 1,683,752.31 × 374,537.81 - Step 4: Simplify right side
1,122,491.81x = 630,628,906,979.22 - Step 5: Solve for x
x = 630,628,906,979.22/1,122,491.81 - Step 6: Final answer
x = 561,811.59
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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.