Finding the Fourth Proportional to 1,007,800.44, 1,390,764.57 and 555,091.44
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Solution
The fourth proportional to 1,007,800.44, 1,390,764.57 and 555,091.44 is: 766,026.17
Step by Step Solution
- Step 1: Write the proportion equation
1,007,800.44 : 1,390,764.57 = 555,091.44 : x - Step 2: Convert to fraction form
1,007,800.44/1,390,764.57 = 555,091.44/x - Step 3: Cross multiply
1,007,800.44x = 1,390,764.57 × 555,091.44 - Step 4: Simplify right side
1,007,800.44x = 772,001,507,862.28 - Step 5: Solve for x
x = 772,001,507,862.28/1,007,800.44 - Step 6: Final answer
x = 766,026.17
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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.