Finding the Fourth Proportional to 1,417,251.84, 1,955,749.92 and 772,659.36
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Solution
The fourth proportional to 1,417,251.84, 1,955,749.92 and 772,659.36 is: 1,066,238.50
Step by Step Solution
- Step 1: Write the proportion equation
1,417,251.84 : 1,955,749.92 = 772,659.36 : x - Step 2: Convert to fraction form
1,417,251.84/1,955,749.92 = 772,659.36/x - Step 3: Cross multiply
1,417,251.84x = 1,955,749.92 × 772,659.36 - Step 4: Simplify right side
1,417,251.84x = 1,511,128,481,507.25 - Step 5: Solve for x
x = 1,511,128,481,507.25/1,417,251.84 - Step 6: Final answer
x = 1,066,238.50
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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.