Finding the Fourth Proportional to 1,119,389.82, 1,544,799.26 and 636,036.84
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Solution
The fourth proportional to 1,119,389.82, 1,544,799.26 and 636,036.84 is: 877,754.31
Step by Step Solution
- Step 1: Write the proportion equation
1,119,389.82 : 1,544,799.26 = 636,036.84 : x - Step 2: Convert to fraction form
1,119,389.82/1,544,799.26 = 636,036.84/x - Step 3: Cross multiply
1,119,389.82x = 1,544,799.26 × 636,036.84 - Step 4: Simplify right side
1,119,389.82x = 982,549,236,584.55 - Step 5: Solve for x
x = 982,549,236,584.55/1,119,389.82 - Step 6: Final answer
x = 877,754.31
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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.