Finding the Fourth Proportional to 1,438,558.52, 1,985,206.66 and 793,974.08
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Solution
The fourth proportional to 1,438,558.52, 1,985,206.66 and 793,974.08 is: 1,095,681.97
Step by Step Solution
- Step 1: Write the proportion equation
1,438,558.52 : 1,985,206.66 = 793,974.08 : x - Step 2: Convert to fraction form
1,438,558.52/1,985,206.66 = 793,974.08/x - Step 3: Cross multiply
1,438,558.52x = 1,985,206.66 × 793,974.08 - Step 4: Simplify right side
1,438,558.52x = 1,576,202,631,483.37 - Step 5: Solve for x
x = 1,576,202,631,483.37/1,438,558.52 - Step 6: Final answer
x = 1,095,681.97
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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.