Finding the Fourth Proportional to 1,242,742.44, 1,714,968.16 and 698,878.06
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Solution
The fourth proportional to 1,242,742.44, 1,714,968.16 and 698,878.06 is: 964,442.50
Step by Step Solution
- Step 1: Write the proportion equation
1,242,742.44 : 1,714,968.16 = 698,878.06 : x - Step 2: Convert to fraction form
1,242,742.44/1,714,968.16 = 698,878.06/x - Step 3: Cross multiply
1,242,742.44x = 1,714,968.16 × 698,878.06 - Step 4: Simplify right side
1,242,742.44x = 1,198,553,620,622.57 - Step 5: Solve for x
x = 1,198,553,620,622.57/1,242,742.44 - Step 6: Final answer
x = 964,442.50
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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.