Finding the Fourth Proportional to 1,298,347.20, 1,944,021.60 and 941,428.80
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Solution
The fourth proportional to 1,298,347.20, 1,944,021.60 and 941,428.80 is: 1,409,605.94
Step by Step Solution
- Step 1: Write the proportion equation
1,298,347.20 : 1,944,021.60 = 941,428.80 : x - Step 2: Convert to fraction form
1,298,347.20/1,944,021.60 = 941,428.80/x - Step 3: Cross multiply
1,298,347.20x = 1,944,021.60 × 941,428.80 - Step 4: Simplify right side
1,298,347.20x = 1,830,157,922,062.08 - Step 5: Solve for x
x = 1,830,157,922,062.08/1,298,347.20 - Step 6: Final answer
x = 1,409,605.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.