Finding the Fourth Proportional to 1,418,955.39, 1,958,199.93 and 774,416.91
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Solution
The fourth proportional to 1,418,955.39, 1,958,199.93 and 774,416.91 is: 1,068,717.98
Step by Step Solution
- Step 1: Write the proportion equation
1,418,955.39 : 1,958,199.93 = 774,416.91 : x - Step 2: Convert to fraction form
1,418,955.39/1,958,199.93 = 774,416.91/x - Step 3: Cross multiply
1,418,955.39x = 1,958,199.93 × 774,416.91 - Step 4: Simplify right side
1,418,955.39x = 1,516,463,138,952.82 - Step 5: Solve for x
x = 1,516,463,138,952.82/1,418,955.39 - Step 6: Final answer
x = 1,068,717.98
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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.