Finding the Fourth Proportional to 1,009,555.44, 1,393,136.28 and 556,834.80
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Solution
The fourth proportional to 1,009,555.44, 1,393,136.28 and 556,834.80 is: 768,404.32
Step by Step Solution
- Step 1: Write the proportion equation
1,009,555.44 : 1,393,136.28 = 556,834.80 : x - Step 2: Convert to fraction form
1,009,555.44/1,393,136.28 = 556,834.80/x - Step 3: Cross multiply
1,009,555.44x = 1,393,136.28 × 556,834.80 - Step 4: Simplify right side
1,009,555.44x = 775,746,761,846.54 - Step 5: Solve for x
x = 775,746,761,846.54/1,009,555.44 - Step 6: Final answer
x = 768,404.32
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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.