Home / 1,094,133.90-1,640,034.45-419,954.70

Finding the Fourth Proportional to 1,094,133.90, 1,640,034.45 and 419,954.70

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Solution

The fourth proportional to 1,094,133.90, 1,640,034.45 and 419,954.70 is: 629,484.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,133.90 : 1,640,034.45 = 419,954.70 : x
  2. Step 2: Convert to fraction form
    1,094,133.90/1,640,034.45 = 419,954.70/x
  3. Step 3: Cross multiply
    1,094,133.90x = 1,640,034.45 × 419,954.70
  4. Step 4: Simplify right side
    1,094,133.90x = 688,740,175,439.42
  5. Step 5: Solve for x
    x = 688,740,175,439.42/1,094,133.90
  6. Step 6: Final answer
    x = 629,484.36

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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.