Finding the Fourth Proportional to 1,368,579.74, 1,888,558.88 and 756,684.45
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Solution
The fourth proportional to 1,368,579.74, 1,888,558.88 and 756,684.45 is: 1,044,179.67
Step by Step Solution
- Step 1: Write the proportion equation
1,368,579.74 : 1,888,558.88 = 756,684.45 : x - Step 2: Convert to fraction form
1,368,579.74/1,888,558.88 = 756,684.45/x - Step 3: Cross multiply
1,368,579.74x = 1,888,558.88 × 756,684.45 - Step 4: Simplify right side
1,368,579.74x = 1,429,043,133,621.99 - Step 5: Solve for x
x = 1,429,043,133,621.99/1,368,579.74 - Step 6: Final answer
x = 1,044,179.67
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.