Finding the Fourth Proportional to 1,242,730.63, 1,714,951.97 and 698,866.25
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Solution
The fourth proportional to 1,242,730.63, 1,714,951.97 and 698,866.25 is: 964,426.26
Step by Step Solution
- Step 1: Write the proportion equation
1,242,730.63 : 1,714,951.97 = 698,866.25 : x - Step 2: Convert to fraction form
1,242,730.63/1,714,951.97 = 698,866.25/x - Step 3: Cross multiply
1,242,730.63x = 1,714,951.97 × 698,866.25 - Step 4: Simplify right side
1,242,730.63x = 1,198,522,052,204.01 - Step 5: Solve for x
x = 1,198,522,052,204.01/1,242,730.63 - Step 6: Final answer
x = 964,426.26
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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.