Finding the Fourth Proportional to 1,418,959.13, 1,958,205.11 and 774,420.66
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Solution
The fourth proportional to 1,418,959.13, 1,958,205.11 and 774,420.66 is: 1,068,723.17
Step by Step Solution
- Step 1: Write the proportion equation
1,418,959.13 : 1,958,205.11 = 774,420.66 : x - Step 2: Convert to fraction form
1,418,959.13/1,958,205.11 = 774,420.66/x - Step 3: Cross multiply
1,418,959.13x = 1,958,205.11 × 774,420.66 - Step 4: Simplify right side
1,418,959.13x = 1,516,474,489,829.47 - Step 5: Solve for x
x = 1,516,474,489,829.47/1,418,959.13 - Step 6: Final answer
x = 1,068,723.17
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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.