Finding the Fourth Proportional to 1,438,693.30, 1,985,396.93 and 794,113.66
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Solution
The fourth proportional to 1,438,693.30, 1,985,396.93 and 794,113.66 is: 1,095,876.95
Step by Step Solution
- Step 1: Write the proportion equation
1,438,693.30 : 1,985,396.93 = 794,113.66 : x - Step 2: Convert to fraction form
1,438,693.30/1,985,396.93 = 794,113.66/x - Step 3: Cross multiply
1,438,693.30x = 1,985,396.93 × 794,113.66 - Step 4: Simplify right side
1,438,693.30x = 1,576,630,822,635.06 - Step 5: Solve for x
x = 1,576,630,822,635.06/1,438,693.30 - Step 6: Final answer
x = 1,095,876.95
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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.