Finding the Fourth Proportional to 1,248,544.40, 1,872,816.60 and 539,956.40
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Solution
The fourth proportional to 1,248,544.40, 1,872,816.60 and 539,956.40 is: 809,934.60
Step by Step Solution
- Step 1: Write the proportion equation
1,248,544.40 : 1,872,816.60 = 539,956.40 : x - Step 2: Convert to fraction form
1,248,544.40/1,872,816.60 = 539,956.40/x - Step 3: Cross multiply
1,248,544.40x = 1,872,816.60 × 539,956.40 - Step 4: Simplify right side
1,248,544.40x = 1,011,239,309,196.24 - Step 5: Solve for x
x = 1,011,239,309,196.24/1,248,544.40 - Step 6: Final answer
x = 809,934.60
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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.