Finding the Fourth Proportional to 1,239,170.16, 1,858,866.12 and 480,993.84
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Solution
The fourth proportional to 1,239,170.16, 1,858,866.12 and 480,993.84 is: 721,533.80
Step by Step Solution
- Step 1: Write the proportion equation
1,239,170.16 : 1,858,866.12 = 480,993.84 : x - Step 2: Convert to fraction form
1,239,170.16/1,858,866.12 = 480,993.84/x - Step 3: Cross multiply
1,239,170.16x = 1,858,866.12 × 480,993.84 - Step 4: Simplify right side
1,239,170.16x = 894,103,153,104.70 - Step 5: Solve for x
x = 894,103,153,104.70/1,239,170.16 - Step 6: Final answer
x = 721,533.80
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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.