Finding the Fourth Proportional to 1,201,784.99, 1,659,587.46 and 772,810.43
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Solution
The fourth proportional to 1,201,784.99, 1,659,587.46 and 772,810.43 is: 1,067,201.30
Step by Step Solution
- Step 1: Write the proportion equation
1,201,784.99 : 1,659,587.46 = 772,810.43 : x - Step 2: Convert to fraction form
1,201,784.99/1,659,587.46 = 772,810.43/x - Step 3: Cross multiply
1,201,784.99x = 1,659,587.46 × 772,810.43 - Step 4: Simplify right side
1,201,784.99x = 1,282,546,498,585.21 - Step 5: Solve for x
x = 1,282,546,498,585.21/1,201,784.99 - Step 6: Final answer
x = 1,067,201.30
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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.