Finding the Fourth Proportional to 1,178,557.58, 1,626,366.44 and 720,439.40
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Solution
The fourth proportional to 1,178,557.58, 1,626,366.44 and 720,439.40 is: 994,180.07
Step by Step Solution
- Step 1: Write the proportion equation
1,178,557.58 : 1,626,366.44 = 720,439.40 : x - Step 2: Convert to fraction form
1,178,557.58/1,626,366.44 = 720,439.40/x - Step 3: Cross multiply
1,178,557.58x = 1,626,366.44 × 720,439.40 - Step 4: Simplify right side
1,178,557.58x = 1,171,698,450,479.71 - Step 5: Solve for x
x = 1,171,698,450,479.71/1,178,557.58 - Step 6: Final answer
x = 994,180.07
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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.