Finding the Fourth Proportional to 1,395,865.81, 1,926,158.79 and 783,879.42
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Solution
The fourth proportional to 1,395,865.81, 1,926,158.79 and 783,879.42 is: 1,081,677.21
Step by Step Solution
- Step 1: Write the proportion equation
1,395,865.81 : 1,926,158.79 = 783,879.42 : x - Step 2: Convert to fraction form
1,395,865.81/1,926,158.79 = 783,879.42/x - Step 3: Cross multiply
1,395,865.81x = 1,926,158.79 × 783,879.42 - Step 4: Simplify right side
1,395,865.81x = 1,509,876,240,886.42 - Step 5: Solve for x
x = 1,509,876,240,886.42/1,395,865.81 - Step 6: Final answer
x = 1,081,677.21
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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.