Finding the Fourth Proportional to 1,227,777.06, 1,694,332.35 and 718,479.44
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Solution
The fourth proportional to 1,227,777.06, 1,694,332.35 and 718,479.44 is: 991,501.63
Step by Step Solution
- Step 1: Write the proportion equation
1,227,777.06 : 1,694,332.35 = 718,479.44 : x - Step 2: Convert to fraction form
1,227,777.06/1,694,332.35 = 718,479.44/x - Step 3: Cross multiply
1,227,777.06x = 1,694,332.35 × 718,479.44 - Step 4: Simplify right side
1,227,777.06x = 1,217,342,958,001.88 - Step 5: Solve for x
x = 1,217,342,958,001.88/1,227,777.06 - Step 6: Final answer
x = 991,501.63
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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.