Finding the Fourth Proportional to 1,276,749.24, 1,761,926.06 and 703,809.91
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Solution
The fourth proportional to 1,276,749.24, 1,761,926.06 and 703,809.91 is: 971,264.35
Step by Step Solution
- Step 1: Write the proportion equation
1,276,749.24 : 1,761,926.06 = 703,809.91 : x - Step 2: Convert to fraction form
1,276,749.24/1,761,926.06 = 703,809.91/x - Step 3: Cross multiply
1,276,749.24x = 1,761,926.06 × 703,809.91 - Step 4: Simplify right side
1,276,749.24x = 1,240,061,021,715.25 - Step 5: Solve for x
x = 1,240,061,021,715.25/1,276,749.24 - Step 6: Final answer
x = 971,264.35
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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.