Finding the Fourth Proportional to 1,295,948.70, 1,788,374.70 and 722,974.14
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Solution
The fourth proportional to 1,295,948.70, 1,788,374.70 and 722,974.14 is: 997,685.06
Step by Step Solution
- Step 1: Write the proportion equation
1,295,948.70 : 1,788,374.70 = 722,974.14 : x - Step 2: Convert to fraction form
1,295,948.70/1,788,374.70 = 722,974.14/x - Step 3: Cross multiply
1,295,948.70x = 1,788,374.70 × 722,974.14 - Step 4: Simplify right side
1,295,948.70x = 1,292,948,660,730.26 - Step 5: Solve for x
x = 1,292,948,660,730.26/1,295,948.70 - Step 6: Final answer
x = 997,685.06
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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.