Finding the Fourth Proportional to 1,276,034.24, 1,914,347.52 and 434,593.28
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Solution
The fourth proportional to 1,276,034.24, 1,914,347.52 and 434,593.28 is: 651,990.79
Step by Step Solution
- Step 1: Write the proportion equation
1,276,034.24 : 1,914,347.52 = 434,593.28 : x - Step 2: Convert to fraction form
1,276,034.24/1,914,347.52 = 434,593.28/x - Step 3: Cross multiply
1,276,034.24x = 1,914,347.52 × 434,593.28 - Step 4: Simplify right side
1,276,034.24x = 831,962,567,776.67 - Step 5: Solve for x
x = 831,962,567,776.67/1,276,034.24 - Step 6: Final answer
x = 651,990.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.