Finding the Fourth Proportional to 1,397,407.16, 2,095,323.34 and 486,171.74
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Solution
The fourth proportional to 1,397,407.16, 2,095,323.34 and 486,171.74 is: 728,983.67
Step by Step Solution
- Step 1: Write the proportion equation
1,397,407.16 : 2,095,323.34 = 486,171.74 : x - Step 2: Convert to fraction form
1,397,407.16/2,095,323.34 = 486,171.74/x - Step 3: Cross multiply
1,397,407.16x = 2,095,323.34 × 486,171.74 - Step 4: Simplify right side
1,397,407.16x = 1,018,686,994,070.41 - Step 5: Solve for x
x = 1,018,686,994,070.41/1,397,407.16 - Step 6: Final answer
x = 728,983.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.