Finding the Fourth Proportional to 1,072,649.80, 1,609,565.70 and 652,220.92
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Solution
The fourth proportional to 1,072,649.80, 1,609,565.70 and 652,220.92 is: 978,690.74
Step by Step Solution
- Step 1: Write the proportion equation
1,072,649.80 : 1,609,565.70 = 652,220.92 : x - Step 2: Convert to fraction form
1,072,649.80/1,609,565.70 = 652,220.92/x - Step 3: Cross multiply
1,072,649.80x = 1,609,565.70 × 652,220.92 - Step 4: Simplify right side
1,072,649.80x = 1,049,792,421,654.44 - Step 5: Solve for x
x = 1,049,792,421,654.44/1,072,649.80 - Step 6: Final answer
x = 978,690.74
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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.