Finding the Fourth Proportional to 1,343,750.79, 1,854,418.59 and 731,921.97
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Solution
The fourth proportional to 1,343,750.79, 1,854,418.59 and 731,921.97 is: 1,010,075.47
Step by Step Solution
- Step 1: Write the proportion equation
1,343,750.79 : 1,854,418.59 = 731,921.97 : x - Step 2: Convert to fraction form
1,343,750.79/1,854,418.59 = 731,921.97/x - Step 3: Cross multiply
1,343,750.79x = 1,854,418.59 × 731,921.97 - Step 4: Simplify right side
1,343,750.79x = 1,357,289,707,597.42 - Step 5: Solve for x
x = 1,357,289,707,597.42/1,343,750.79 - Step 6: Final answer
x = 1,010,075.47
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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.