Finding the Fourth Proportional to 1,050,965.92, 1,449,813.36 and 621,038.08
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Solution
The fourth proportional to 1,050,965.92, 1,449,813.36 and 621,038.08 is: 856,725.50
Step by Step Solution
- Step 1: Write the proportion equation
1,050,965.92 : 1,449,813.36 = 621,038.08 : x - Step 2: Convert to fraction form
1,050,965.92/1,449,813.36 = 621,038.08/x - Step 3: Cross multiply
1,050,965.92x = 1,449,813.36 × 621,038.08 - Step 4: Simplify right side
1,050,965.92x = 900,389,305,452.75 - Step 5: Solve for x
x = 900,389,305,452.75/1,050,965.92 - Step 6: Final answer
x = 856,725.50
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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.