Finding the Fourth Proportional to 1,438,580.49, 1,985,099.70 and 793,959.06
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Solution
The fourth proportional to 1,438,580.49, 1,985,099.70 and 793,959.06 is: 1,095,585.48
Step by Step Solution
- Step 1: Write the proportion equation
1,438,580.49 : 1,985,099.70 = 793,959.06 : x - Step 2: Convert to fraction form
1,438,580.49/1,985,099.70 = 793,959.06/x - Step 3: Cross multiply
1,438,580.49x = 1,985,099.70 × 793,959.06 - Step 4: Simplify right side
1,438,580.49x = 1,576,087,891,818.28 - Step 5: Solve for x
x = 1,576,087,891,818.28/1,438,580.49 - Step 6: Final answer
x = 1,095,585.48
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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.