Finding the Fourth Proportional to 1,060,478.63, 1,590,512.61 and 412,053.68
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Solution
The fourth proportional to 1,060,478.63, 1,590,512.61 and 412,053.68 is: 618,000.74
Step by Step Solution
- Step 1: Write the proportion equation
1,060,478.63 : 1,590,512.61 = 412,053.68 : x - Step 2: Convert to fraction form
1,060,478.63/1,590,512.61 = 412,053.68/x - Step 3: Cross multiply
1,060,478.63x = 1,590,512.61 × 412,053.68 - Step 4: Simplify right side
1,060,478.63x = 655,376,577,240.59 - Step 5: Solve for x
x = 655,376,577,240.59/1,060,478.63 - Step 6: Final answer
x = 618,000.74
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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.