Finding the Fourth Proportional to 1,242,236.38, 1,714,246.20 and 698,395
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Solution
The fourth proportional to 1,242,236.38, 1,714,246.20 and 698,395 is: 963,762.61
Step by Step Solution
- Step 1: Write the proportion equation
1,242,236.38 : 1,714,246.20 = 698,395 : x - Step 2: Convert to fraction form
1,242,236.38/1,714,246.20 = 698,395/x - Step 3: Cross multiply
1,242,236.38x = 1,714,246.20 × 698,395 - Step 4: Simplify right side
1,242,236.38x = 1,197,220,974,849 - Step 5: Solve for x
x = 1,197,220,974,849/1,242,236.38 - Step 6: Final answer
x = 963,762.61
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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.