Finding the Fourth Proportional to 1,269,762.06, 1,752,322.19 and 696,822.74
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Solution
The fourth proportional to 1,269,762.06, 1,752,322.19 and 696,822.74 is: 961,643.11
Step by Step Solution
- Step 1: Write the proportion equation
1,269,762.06 : 1,752,322.19 = 696,822.74 : x - Step 2: Convert to fraction form
1,269,762.06/1,752,322.19 = 696,822.74/x - Step 3: Cross multiply
1,269,762.06x = 1,752,322.19 × 696,822.74 - Step 4: Simplify right side
1,269,762.06x = 1,221,057,937,552.88 - Step 5: Solve for x
x = 1,221,057,937,552.88/1,269,762.06 - Step 6: Final answer
x = 961,643.11
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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.