Finding the Fourth Proportional to 1,301,207.11, 1,795,451.56 and 817,429.66
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Solution
The fourth proportional to 1,301,207.11, 1,795,451.56 and 817,429.66 is: 1,127,918.33
Step by Step Solution
- Step 1: Write the proportion equation
1,301,207.11 : 1,795,451.56 = 817,429.66 : x - Step 2: Convert to fraction form
1,301,207.11/1,795,451.56 = 817,429.66/x - Step 3: Cross multiply
1,301,207.11x = 1,795,451.56 × 817,429.66 - Step 4: Simplify right side
1,301,207.11x = 1,467,655,351,705.07 - Step 5: Solve for x
x = 1,467,655,351,705.07/1,301,207.11 - Step 6: Final answer
x = 1,127,918.33
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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.