Finding the Fourth Proportional to 1,037,388.63, 1,431,602.55 and 578,532.17
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Solution
The fourth proportional to 1,037,388.63, 1,431,602.55 and 578,532.17 is: 798,377.87
Step by Step Solution
- Step 1: Write the proportion equation
1,037,388.63 : 1,431,602.55 = 578,532.17 : x - Step 2: Convert to fraction form
1,037,388.63/1,431,602.55 = 578,532.17/x - Step 3: Cross multiply
1,037,388.63x = 1,431,602.55 × 578,532.17 - Step 4: Simplify right side
1,037,388.63x = 828,228,129,829.03 - Step 5: Solve for x
x = 828,228,129,829.03/1,037,388.63 - Step 6: Final answer
x = 798,377.87
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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.