Finding the Fourth Proportional to 1,268,026.18, 1,749,920.97 and 695,066.20
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Solution
The fourth proportional to 1,268,026.18, 1,749,920.97 and 695,066.20 is: 959,215.94
Step by Step Solution
- Step 1: Write the proportion equation
1,268,026.18 : 1,749,920.97 = 695,066.20 : x - Step 2: Convert to fraction form
1,268,026.18/1,749,920.97 = 695,066.20/x - Step 3: Cross multiply
1,268,026.18x = 1,749,920.97 × 695,066.20 - Step 4: Simplify right side
1,268,026.18x = 1,216,310,918,918.21 - Step 5: Solve for x
x = 1,216,310,918,918.21/1,268,026.18 - Step 6: Final answer
x = 959,215.94
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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.