Finding the Fourth Proportional to 1,418,953.74, 1,958,201.97 and 807,090.78
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Solution
The fourth proportional to 1,418,953.74, 1,958,201.97 and 807,090.78 is: 1,113,811.33
Step by Step Solution
- Step 1: Write the proportion equation
1,418,953.74 : 1,958,201.97 = 807,090.78 : x - Step 2: Convert to fraction form
1,418,953.74/1,958,201.97 = 807,090.78/x - Step 3: Cross multiply
1,418,953.74x = 1,958,201.97 × 807,090.78 - Step 4: Simplify right side
1,418,953.74x = 1,580,446,755,364.84 - Step 5: Solve for x
x = 1,580,446,755,364.84/1,418,953.74 - Step 6: Final answer
x = 1,113,811.33
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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.