Finding the Fourth Proportional to 1,007,798.44, 1,390,761.84 and 555,089.44
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Solution
The fourth proportional to 1,007,798.44, 1,390,761.84 and 555,089.44 is: 766,023.42
Step by Step Solution
- Step 1: Write the proportion equation
1,007,798.44 : 1,390,761.84 = 555,089.44 : x - Step 2: Convert to fraction form
1,007,798.44/1,390,761.84 = 555,089.44/x - Step 3: Cross multiply
1,007,798.44x = 1,390,761.84 × 555,089.44 - Step 4: Simplify right side
1,007,798.44x = 771,997,210,938.97 - Step 5: Solve for x
x = 771,997,210,938.97/1,007,798.44 - Step 6: Final answer
x = 766,023.42
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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.