Finding the Fourth Proportional to 1,368,727.76, 1,888,856.56 and 756,921.68
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Solution
The fourth proportional to 1,368,727.76, 1,888,856.56 and 756,921.68 is: 1,044,558.69
Step by Step Solution
- Step 1: Write the proportion equation
1,368,727.76 : 1,888,856.56 = 756,921.68 : x - Step 2: Convert to fraction form
1,368,727.76/1,888,856.56 = 756,921.68/x - Step 3: Cross multiply
1,368,727.76x = 1,888,856.56 × 756,921.68 - Step 4: Simplify right side
1,368,727.76x = 1,429,716,480,674.22 - Step 5: Solve for x
x = 1,429,716,480,674.22/1,368,727.76 - Step 6: Final answer
x = 1,044,558.69
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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.