Finding the Fourth Proportional to 973,106.70, 1,459,660.05 and 917,994.30
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Solution
The fourth proportional to 973,106.70, 1,459,660.05 and 917,994.30 is: 1,376,991.45
Step by Step Solution
- Step 1: Write the proportion equation
973,106.70 : 1,459,660.05 = 917,994.30 : x - Step 2: Convert to fraction form
973,106.70/1,459,660.05 = 917,994.30/x - Step 3: Cross multiply
973,106.70x = 1,459,660.05 × 917,994.30 - Step 4: Simplify right side
973,106.70x = 1,339,959,605,837.72 - Step 5: Solve for x
x = 1,339,959,605,837.72/973,106.70 - Step 6: Final answer
x = 1,376,991.45
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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.