Finding the Fourth Proportional to 1,010,415.84, 1,394,407.63 and 551,557.62
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Solution
The fourth proportional to 1,010,415.84, 1,394,407.63 and 551,557.62 is: 761,167.95
Step by Step Solution
- Step 1: Write the proportion equation
1,010,415.84 : 1,394,407.63 = 551,557.62 : x - Step 2: Convert to fraction form
1,010,415.84/1,394,407.63 = 551,557.62/x - Step 3: Cross multiply
1,010,415.84x = 1,394,407.63 × 551,557.62 - Step 4: Simplify right side
1,010,415.84x = 769,096,153,712.64 - Step 5: Solve for x
x = 769,096,153,712.64/1,010,415.84 - Step 6: Final answer
x = 761,167.95
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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.