Finding the Fourth Proportional to 970,499.36, 1,450,621 and 843,128.48
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Solution
The fourth proportional to 970,499.36, 1,450,621 and 843,128.48 is: 1,260,237.70
Step by Step Solution
- Step 1: Write the proportion equation
970,499.36 : 1,450,621 = 843,128.48 : x - Step 2: Convert to fraction form
970,499.36/1,450,621 = 843,128.48/x - Step 3: Cross multiply
970,499.36x = 1,450,621 × 843,128.48 - Step 4: Simplify right side
970,499.36x = 1,223,059,878,786.08 - Step 5: Solve for x
x = 1,223,059,878,786.08/970,499.36 - Step 6: Final answer
x = 1,260,237.70
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.