Finding the Fourth Proportional to 1,182,784.87, 1,774,177.12 and 284,226.62
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Solution
The fourth proportional to 1,182,784.87, 1,774,177.12 and 284,226.62 is: 426,339.89
Step by Step Solution
- Step 1: Write the proportion equation
1,182,784.87 : 1,774,177.12 = 284,226.62 : x - Step 2: Convert to fraction form
1,182,784.87/1,774,177.12 = 284,226.62/x - Step 3: Cross multiply
1,182,784.87x = 1,774,177.12 × 284,226.62 - Step 4: Simplify right side
1,182,784.87x = 504,268,364,677.80 - Step 5: Solve for x
x = 504,268,364,677.80/1,182,784.87 - Step 6: Final answer
x = 426,339.89
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1.5x scale
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.