Finding the Fourth Proportional to 1,414,438.84, 1,951,924.10 and 769,857.50
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Solution
The fourth proportional to 1,414,438.84, 1,951,924.10 and 769,857.50 is: 1,062,402.53
Step by Step Solution
- Step 1: Write the proportion equation
1,414,438.84 : 1,951,924.10 = 769,857.50 : x - Step 2: Convert to fraction form
1,414,438.84/1,951,924.10 = 769,857.50/x - Step 3: Cross multiply
1,414,438.84x = 1,951,924.10 × 769,857.50 - Step 4: Simplify right side
1,414,438.84x = 1,502,703,399,980.77 - Step 5: Solve for x
x = 1,502,703,399,980.77/1,414,438.84 - Step 6: Final answer
x = 1,062,402.53
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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.