Finding the Fourth Proportional to 1,122,495.94, 1,683,758.50 and 374,541.94
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Solution
The fourth proportional to 1,122,495.94, 1,683,758.50 and 374,541.94 is: 561,817.77
Step by Step Solution
- Step 1: Write the proportion equation
1,122,495.94 : 1,683,758.50 = 374,541.94 : x - Step 2: Convert to fraction form
1,122,495.94/1,683,758.50 = 374,541.94/x - Step 3: Cross multiply
1,122,495.94x = 1,683,758.50 × 374,541.94 - Step 4: Simplify right side
1,122,495.94x = 630,638,169,935.74 - Step 5: Solve for x
x = 630,638,169,935.74/1,122,495.94 - Step 6: Final answer
x = 561,817.77
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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.