Finding the Fourth Proportional to 1,007,801.44, 1,390,765.98 and 555,092.44
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Solution
The fourth proportional to 1,007,801.44, 1,390,765.98 and 555,092.44 is: 766,027.56
Step by Step Solution
- Step 1: Write the proportion equation
1,007,801.44 : 1,390,765.98 = 555,092.44 : x - Step 2: Convert to fraction form
1,007,801.44/1,390,765.98 = 555,092.44/x - Step 3: Cross multiply
1,007,801.44x = 1,390,765.98 × 555,092.44 - Step 4: Simplify right side
1,007,801.44x = 772,003,681,307.19 - Step 5: Solve for x
x = 772,003,681,307.19/1,007,801.44 - Step 6: Final answer
x = 766,027.56
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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.