Finding the Fourth Proportional to 1,227,828.49, 1,694,178.40 and 683,950.75
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Solution
The fourth proportional to 1,227,828.49, 1,694,178.40 and 683,950.75 is: 943,726.75
Step by Step Solution
- Step 1: Write the proportion equation
1,227,828.49 : 1,694,178.40 = 683,950.75 : x - Step 2: Convert to fraction form
1,227,828.49/1,694,178.40 = 683,950.75/x - Step 3: Cross multiply
1,227,828.49x = 1,694,178.40 × 683,950.75 - Step 4: Simplify right side
1,227,828.49x = 1,158,734,587,313.80 - Step 5: Solve for x
x = 1,158,734,587,313.80/1,227,828.49 - Step 6: Final answer
x = 943,726.75
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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.