Finding the Fourth Proportional to 1,274,130.64, 1,909,867.34 and 516,495.05
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Solution
The fourth proportional to 1,274,130.64, 1,909,867.34 and 516,495.05 is: 774,203.99
Step by Step Solution
- Step 1: Write the proportion equation
1,274,130.64 : 1,909,867.34 = 516,495.05 : x - Step 2: Convert to fraction form
1,274,130.64/1,909,867.34 = 516,495.05/x - Step 3: Cross multiply
1,274,130.64x = 1,909,867.34 × 516,495.05 - Step 4: Simplify right side
1,274,130.64x = 986,437,026,170.57 - Step 5: Solve for x
x = 986,437,026,170.57/1,274,130.64 - Step 6: Final answer
x = 774,203.99
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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.