Finding the Fourth Proportional to 1,169,963.12, 1,615,110.36 and 740,451.44
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Solution
The fourth proportional to 1,169,963.12, 1,615,110.36 and 740,451.44 is: 1,022,178.20
Step by Step Solution
- Step 1: Write the proportion equation
1,169,963.12 : 1,615,110.36 = 740,451.44 : x - Step 2: Convert to fraction form
1,169,963.12/1,615,110.36 = 740,451.44/x - Step 3: Cross multiply
1,169,963.12x = 1,615,110.36 × 740,451.44 - Step 4: Simplify right side
1,169,963.12x = 1,195,910,791,820.92 - Step 5: Solve for x
x = 1,195,910,791,820.92/1,169,963.12 - Step 6: Final answer
x = 1,022,178.20
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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.