Finding the Fourth Proportional to 1,265,553.19, 1,746,450.85 and 684,763.48
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Solution
The fourth proportional to 1,265,553.19, 1,746,450.85 and 684,763.48 is: 944,966.82
Step by Step Solution
- Step 1: Write the proportion equation
1,265,553.19 : 1,746,450.85 = 684,763.48 : x - Step 2: Convert to fraction form
1,265,553.19/1,746,450.85 = 684,763.48/x - Step 3: Cross multiply
1,265,553.19x = 1,746,450.85 × 684,763.48 - Step 4: Simplify right side
1,265,553.19x = 1,195,905,768,313.41 - Step 5: Solve for x
x = 1,195,905,768,313.41/1,265,553.19 - Step 6: Final answer
x = 944,966.82
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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.