Finding the Fourth Proportional to 1,270,418.88, 1,753,181 and 697,495.92
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Solution
The fourth proportional to 1,270,418.88, 1,753,181 and 697,495.92 is: 962,545.99
Step by Step Solution
- Step 1: Write the proportion equation
1,270,418.88 : 1,753,181 = 697,495.92 : x - Step 2: Convert to fraction form
1,270,418.88/1,753,181 = 697,495.92/x - Step 3: Cross multiply
1,270,418.88x = 1,753,181 × 697,495.92 - Step 4: Simplify right side
1,270,418.88x = 1,222,836,594,521.52 - Step 5: Solve for x
x = 1,222,836,594,521.52/1,270,418.88 - Step 6: Final answer
x = 962,545.99
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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.