Finding the Fourth Proportional to 1,117,571.70, 1,542,281.86 and 791,468.14
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Solution
The fourth proportional to 1,117,571.70, 1,542,281.86 and 791,468.14 is: 1,092,249.34
Step by Step Solution
- Step 1: Write the proportion equation
1,117,571.70 : 1,542,281.86 = 791,468.14 : x - Step 2: Convert to fraction form
1,117,571.70/1,542,281.86 = 791,468.14/x - Step 3: Cross multiply
1,117,571.70x = 1,542,281.86 × 791,468.14 - Step 4: Simplify right side
1,117,571.70x = 1,220,666,955,089.94 - Step 5: Solve for x
x = 1,220,666,955,089.94/1,117,571.70 - Step 6: Final answer
x = 1,092,249.34
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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.