Finding the Fourth Proportional to 1,286,566.18, 1,774,299.09 and 803,175.82
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Solution
The fourth proportional to 1,286,566.18, 1,774,299.09 and 803,175.82 is: 1,107,657.07
Step by Step Solution
- Step 1: Write the proportion equation
1,286,566.18 : 1,774,299.09 = 803,175.82 : x - Step 2: Convert to fraction form
1,286,566.18/1,774,299.09 = 803,175.82/x - Step 3: Cross multiply
1,286,566.18x = 1,774,299.09 × 803,175.82 - Step 4: Simplify right side
1,286,566.18x = 1,425,074,126,536.00 - Step 5: Solve for x
x = 1,425,074,126,536.00/1,286,566.18 - Step 6: Final answer
x = 1,107,657.07
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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.