Finding the Fourth Proportional to 1,358,958.80, 1,875,315.33 and 747,107.13
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Solution
The fourth proportional to 1,358,958.80, 1,875,315.33 and 747,107.13 is: 1,030,981.55
Step by Step Solution
- Step 1: Write the proportion equation
1,358,958.80 : 1,875,315.33 = 747,107.13 : x - Step 2: Convert to fraction form
1,358,958.80/1,875,315.33 = 747,107.13/x - Step 3: Cross multiply
1,358,958.80x = 1,875,315.33 × 747,107.13 - Step 4: Simplify right side
1,358,958.80x = 1,401,061,454,041.30 - Step 5: Solve for x
x = 1,401,061,454,041.30/1,358,958.80 - Step 6: Final answer
x = 1,030,981.55
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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.