Finding the Fourth Proportional to 1,378,406.94, 2,065,813.42 and 703,919.74
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Solution
The fourth proportional to 1,378,406.94, 2,065,813.42 and 703,919.74 is: 1,054,961.93
Step by Step Solution
- Step 1: Write the proportion equation
1,378,406.94 : 2,065,813.42 = 703,919.74 : x - Step 2: Convert to fraction form
1,378,406.94/2,065,813.42 = 703,919.74/x - Step 3: Cross multiply
1,378,406.94x = 2,065,813.42 × 703,919.74 - Step 4: Simplify right side
1,378,406.94x = 1,454,166,845,494.91 - Step 5: Solve for x
x = 1,454,166,845,494.91/1,378,406.94 - Step 6: Final answer
x = 1,054,961.93
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.