Finding the Fourth Proportional to 1,248,460.56, 1,722,690.84 and 758,175.12
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Solution
The fourth proportional to 1,248,460.56, 1,722,690.84 and 758,175.12 is: 1,046,169.48
Step by Step Solution
- Step 1: Write the proportion equation
1,248,460.56 : 1,722,690.84 = 758,175.12 : x - Step 2: Convert to fraction form
1,248,460.56/1,722,690.84 = 758,175.12/x - Step 3: Cross multiply
1,248,460.56x = 1,722,690.84 × 758,175.12 - Step 4: Simplify right side
1,248,460.56x = 1,306,101,334,339.90 - Step 5: Solve for x
x = 1,306,101,334,339.90/1,248,460.56 - Step 6: Final answer
x = 1,046,169.48
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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.