Finding the Fourth Proportional to 1,225,739.97, 1,687,670.82 and 1,041,590.13
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Solution
The fourth proportional to 1,225,739.97, 1,687,670.82 and 1,041,590.13 is: 1,434,122.50
Step by Step Solution
- Step 1: Write the proportion equation
1,225,739.97 : 1,687,670.82 = 1,041,590.13 : x - Step 2: Convert to fraction form
1,225,739.97/1,687,670.82 = 1,041,590.13/x - Step 3: Cross multiply
1,225,739.97x = 1,687,670.82 × 1,041,590.13 - Step 4: Simplify right side
1,225,739.97x = 1,757,861,268,801.01 - Step 5: Solve for x
x = 1,757,861,268,801.01/1,225,739.97 - Step 6: Final answer
x = 1,434,122.50
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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.