Finding the Fourth Proportional to 1,190,404.74, 1,642,502.97 and 707,132.82
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Solution
The fourth proportional to 1,190,404.74, 1,642,502.97 and 707,132.82 is: 975,691.48
Step by Step Solution
- Step 1: Write the proportion equation
1,190,404.74 : 1,642,502.97 = 707,132.82 : x - Step 2: Convert to fraction form
1,190,404.74/1,642,502.97 = 707,132.82/x - Step 3: Cross multiply
1,190,404.74x = 1,642,502.97 × 707,132.82 - Step 4: Simplify right side
1,190,404.74x = 1,161,467,757,034.48 - Step 5: Solve for x
x = 1,161,467,757,034.48/1,190,404.74 - Step 6: Final answer
x = 975,691.48
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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.