Finding the Fourth Proportional to 1,010,802.21, 1,394,913.87 and 551,920.01
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Solution
The fourth proportional to 1,010,802.21, 1,394,913.87 and 551,920.01 is: 761,653.33
Step by Step Solution
- Step 1: Write the proportion equation
1,010,802.21 : 1,394,913.87 = 551,920.01 : x - Step 2: Convert to fraction form
1,010,802.21/1,394,913.87 = 551,920.01/x - Step 3: Cross multiply
1,010,802.21x = 1,394,913.87 × 551,920.01 - Step 4: Simplify right side
1,010,802.21x = 769,880,870,104.97 - Step 5: Solve for x
x = 769,880,870,104.97/1,010,802.21 - Step 6: Final answer
x = 761,653.33
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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.