Finding the Fourth Proportional to 1,352,775.98, 1,866,764.21 and 740,931.44
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Solution
The fourth proportional to 1,352,775.98, 1,866,764.21 and 740,931.44 is: 1,022,448.88
Step by Step Solution
- Step 1: Write the proportion equation
1,352,775.98 : 1,866,764.21 = 740,931.44 : x - Step 2: Convert to fraction form
1,352,775.98/1,866,764.21 = 740,931.44/x - Step 3: Cross multiply
1,352,775.98x = 1,866,764.21 × 740,931.44 - Step 4: Simplify right side
1,352,775.98x = 1,383,144,281,217.28 - Step 5: Solve for x
x = 1,383,144,281,217.28/1,352,775.98 - Step 6: Final answer
x = 1,022,448.88
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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.