Finding the Fourth Proportional to 1,276,848.46, 1,762,056.21 and 703,876.06
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Solution
The fourth proportional to 1,276,848.46, 1,762,056.21 and 703,876.06 is: 971,351.90
Step by Step Solution
- Step 1: Write the proportion equation
1,276,848.46 : 1,762,056.21 = 703,876.06 : x - Step 2: Convert to fraction form
1,276,848.46/1,762,056.21 = 703,876.06/x - Step 3: Cross multiply
1,276,848.46x = 1,762,056.21 × 703,876.06 - Step 4: Simplify right side
1,276,848.46x = 1,240,269,182,593.33 - Step 5: Solve for x
x = 1,240,269,182,593.33/1,276,848.46 - Step 6: Final answer
x = 971,351.90
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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.