Finding the Fourth Proportional to 1,725,193.75, 2,380,776.61 and 990,089.41
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Solution
The fourth proportional to 1,725,193.75, 2,380,776.61 and 990,089.41 is: 1,366,328.68
Step by Step Solution
- Step 1: Write the proportion equation
1,725,193.75 : 2,380,776.61 = 990,089.41 : x - Step 2: Convert to fraction form
1,725,193.75/2,380,776.61 = 990,089.41/x - Step 3: Cross multiply
1,725,193.75x = 2,380,776.61 × 990,089.41 - Step 4: Simplify right side
1,725,193.75x = 2,357,181,697,232.82 - Step 5: Solve for x
x = 2,357,181,697,232.82/1,725,193.75 - Step 6: Final answer
x = 1,366,328.68
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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.