Finding the Fourth Proportional to 1,036,116.12, 1,551,270.93 and 782,599.08
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Solution
The fourth proportional to 1,036,116.12, 1,551,270.93 and 782,599.08 is: 1,171,705.74
Step by Step Solution
- Step 1: Write the proportion equation
1,036,116.12 : 1,551,270.93 = 782,599.08 : x - Step 2: Convert to fraction form
1,036,116.12/1,551,270.93 = 782,599.08/x - Step 3: Cross multiply
1,036,116.12x = 1,551,270.93 × 782,599.08 - Step 4: Simplify right side
1,036,116.12x = 1,214,023,202,648.74 - Step 5: Solve for x
x = 1,214,023,202,648.74/1,036,116.12 - Step 6: Final answer
x = 1,171,705.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.