Finding the Fourth Proportional to 1,185,515.30, 1,635,994.58 and 676,226.18
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Solution
The fourth proportional to 1,185,515.30, 1,635,994.58 and 676,226.18 is: 933,182.70
Step by Step Solution
- Step 1: Write the proportion equation
1,185,515.30 : 1,635,994.58 = 676,226.18 : x - Step 2: Convert to fraction form
1,185,515.30/1,635,994.58 = 676,226.18/x - Step 3: Cross multiply
1,185,515.30x = 1,635,994.58 × 676,226.18 - Step 4: Simplify right side
1,185,515.30x = 1,106,302,365,334.10 - Step 5: Solve for x
x = 1,106,302,365,334.10/1,185,515.30 - Step 6: Final answer
x = 933,182.70
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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.