Finding the Fourth Proportional to 1,267,894.68, 1,901,959.23 and 458,481.12
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Solution
The fourth proportional to 1,267,894.68, 1,901,959.23 and 458,481.12 is: 687,764.06
Step by Step Solution
- Step 1: Write the proportion equation
1,267,894.68 : 1,901,959.23 = 458,481.12 : x - Step 2: Convert to fraction form
1,267,894.68/1,901,959.23 = 458,481.12/x - Step 3: Cross multiply
1,267,894.68x = 1,901,959.23 × 458,481.12 - Step 4: Simplify right side
1,267,894.68x = 872,012,397,964.74 - Step 5: Solve for x
x = 872,012,397,964.74/1,267,894.68 - Step 6: Final answer
x = 687,764.06
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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.