Finding the Fourth Proportional to 1,213,574.29, 1,674,772.75 and 662,320.18
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Solution
The fourth proportional to 1,213,574.29, 1,674,772.75 and 662,320.18 is: 914,023.80
Step by Step Solution
- Step 1: Write the proportion equation
1,213,574.29 : 1,674,772.75 = 662,320.18 : x - Step 2: Convert to fraction form
1,213,574.29/1,674,772.75 = 662,320.18/x - Step 3: Cross multiply
1,213,574.29x = 1,674,772.75 × 662,320.18 - Step 4: Simplify right side
1,213,574.29x = 1,109,235,791,475.30 - Step 5: Solve for x
x = 1,109,235,791,475.30/1,213,574.29 - Step 6: Final answer
x = 914,023.80
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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.