Finding the Fourth Proportional to 1,144,980.42, 1,580,011.31 and 635,649.99
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Solution
The fourth proportional to 1,144,980.42, 1,580,011.31 and 635,649.99 is: 877,162.75
Step by Step Solution
- Step 1: Write the proportion equation
1,144,980.42 : 1,580,011.31 = 635,649.99 : x - Step 2: Convert to fraction form
1,144,980.42/1,580,011.31 = 635,649.99/x - Step 3: Cross multiply
1,144,980.42x = 1,580,011.31 × 635,649.99 - Step 4: Simplify right side
1,144,980.42x = 1,004,334,170,223.14 - Step 5: Solve for x
x = 1,004,334,170,223.14/1,144,980.42 - Step 6: Final answer
x = 877,162.75
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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.