Finding the Fourth Proportional to 1,190,402.99, 1,642,500.55 and 707,131.07
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Solution
The fourth proportional to 1,190,402.99, 1,642,500.55 and 707,131.07 is: 975,689.06
Step by Step Solution
- Step 1: Write the proportion equation
1,190,402.99 : 1,642,500.55 = 707,131.07 : x - Step 2: Convert to fraction form
1,190,402.99/1,642,500.55 = 707,131.07/x - Step 3: Cross multiply
1,190,402.99x = 1,642,500.55 × 707,131.07 - Step 4: Simplify right side
1,190,402.99x = 1,161,463,171,397.09 - Step 5: Solve for x
x = 1,161,463,171,397.09/1,190,402.99 - Step 6: Final answer
x = 975,689.06
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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.