Finding the Fourth Proportional to 1,313,835.80, 1,813,423.68 and 741,208.12
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Solution
The fourth proportional to 1,313,835.80, 1,813,423.68 and 741,208.12 is: 1,023,053.53
Step by Step Solution
- Step 1: Write the proportion equation
1,313,835.80 : 1,813,423.68 = 741,208.12 : x - Step 2: Convert to fraction form
1,313,835.80/1,813,423.68 = 741,208.12/x - Step 3: Cross multiply
1,313,835.80x = 1,813,423.68 × 741,208.12 - Step 4: Simplify right side
1,313,835.80x = 1,344,124,352,082.72 - Step 5: Solve for x
x = 1,344,124,352,082.72/1,313,835.80 - Step 6: Final answer
x = 1,023,053.53
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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.