Finding the Fourth Proportional to 1,409,797.28, 1,945,468.24 and 765,203.63
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Solution
The fourth proportional to 1,409,797.28, 1,945,468.24 and 765,203.63 is: 1,055,952.77
Step by Step Solution
- Step 1: Write the proportion equation
1,409,797.28 : 1,945,468.24 = 765,203.63 : x - Step 2: Convert to fraction form
1,409,797.28/1,945,468.24 = 765,203.63/x - Step 3: Cross multiply
1,409,797.28x = 1,945,468.24 × 765,203.63 - Step 4: Simplify right side
1,409,797.28x = 1,488,679,347,657.36 - Step 5: Solve for x
x = 1,488,679,347,657.36/1,409,797.28 - Step 6: Final answer
x = 1,055,952.77
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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.