Finding the Fourth Proportional to 1,190,026.08, 1,785,101.44 and 906,161.84
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Solution
The fourth proportional to 1,190,026.08, 1,785,101.44 and 906,161.84 is: 1,359,290.21
Step by Step Solution
- Step 1: Write the proportion equation
1,190,026.08 : 1,785,101.44 = 906,161.84 : x - Step 2: Convert to fraction form
1,190,026.08/1,785,101.44 = 906,161.84/x - Step 3: Cross multiply
1,190,026.08x = 1,785,101.44 × 906,161.84 - Step 4: Simplify right side
1,190,026.08x = 1,617,590,805,457.05 - Step 5: Solve for x
x = 1,617,590,805,457.05/1,190,026.08 - Step 6: Final answer
x = 1,359,290.21
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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.