Finding the Fourth Proportional to 1,242,355.92, 1,714,395.96 and 759,729.84
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Solution
The fourth proportional to 1,242,355.92, 1,714,395.96 and 759,729.84 is: 1,048,393.42
Step by Step Solution
- Step 1: Write the proportion equation
1,242,355.92 : 1,714,395.96 = 759,729.84 : x - Step 2: Convert to fraction form
1,242,355.92/1,714,395.96 = 759,729.84/x - Step 3: Cross multiply
1,242,355.92x = 1,714,395.96 × 759,729.84 - Step 4: Simplify right side
1,242,355.92x = 1,302,477,768,387.45 - Step 5: Solve for x
x = 1,302,477,768,387.45/1,242,355.92 - Step 6: Final answer
x = 1,048,393.42
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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.