Finding the Fourth Proportional to 1,269,755.06, 1,752,312.53 and 696,815.74
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Solution
The fourth proportional to 1,269,755.06, 1,752,312.53 and 696,815.74 is: 961,633.45
Step by Step Solution
- Step 1: Write the proportion equation
1,269,755.06 : 1,752,312.53 = 696,815.74 : x - Step 2: Convert to fraction form
1,269,755.06/1,752,312.53 = 696,815.74/x - Step 3: Cross multiply
1,269,755.06x = 1,752,312.53 × 696,815.74 - Step 4: Simplify right side
1,269,755.06x = 1,221,038,940,057.58 - Step 5: Solve for x
x = 1,221,038,940,057.58/1,269,755.06 - Step 6: Final answer
x = 961,633.45
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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.