Home / 1,094,153.40-1,640,063.70-419,974.20

Finding the Fourth Proportional to 1,094,153.40, 1,640,063.70 and 419,974.20

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Solution

The fourth proportional to 1,094,153.40, 1,640,063.70 and 419,974.20 is: 629,513.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,153.40 : 1,640,063.70 = 419,974.20 : x
  2. Step 2: Convert to fraction form
    1,094,153.40/1,640,063.70 = 419,974.20/x
  3. Step 3: Cross multiply
    1,094,153.40x = 1,640,063.70 × 419,974.20
  4. Step 4: Simplify right side
    1,094,153.40x = 688,784,440,356.54
  5. Step 5: Solve for x
    x = 688,784,440,356.54/1,094,153.40
  6. Step 6: Final answer
    x = 629,513.60

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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.