Finding the Fourth Proportional to 1,252,621.52, 1,878,927.20 and 453,716.08
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Solution
The fourth proportional to 1,252,621.52, 1,878,927.20 and 453,716.08 is: 680,572.28
Step by Step Solution
- Step 1: Write the proportion equation
1,252,621.52 : 1,878,927.20 = 453,716.08 : x - Step 2: Convert to fraction form
1,252,621.52/1,878,927.20 = 453,716.08/x - Step 3: Cross multiply
1,252,621.52x = 1,878,927.20 × 453,716.08 - Step 4: Simplify right side
1,252,621.52x = 852,499,483,789.38 - Step 5: Solve for x
x = 852,499,483,789.38/1,252,621.52 - Step 6: Final answer
x = 680,572.28
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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.