Finding the Fourth Proportional to 1,292,322.04, 1,783,374.84 and 809,153.58
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Solution
The fourth proportional to 1,292,322.04, 1,783,374.84 and 809,153.58 is: 1,116,613.42
Step by Step Solution
- Step 1: Write the proportion equation
1,292,322.04 : 1,783,374.84 = 809,153.58 : x - Step 2: Convert to fraction form
1,292,322.04/1,783,374.84 = 809,153.58/x - Step 3: Cross multiply
1,292,322.04x = 1,783,374.84 × 809,153.58 - Step 4: Simplify right side
1,292,322.04x = 1,443,024,136,267.93 - Step 5: Solve for x
x = 1,443,024,136,267.93/1,292,322.04 - Step 6: Final answer
x = 1,116,613.42
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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.