Home / 1,449,936.78-2,176,289.01-890,064.78

Finding the Fourth Proportional to 1,449,936.78, 2,176,289.01 and 890,064.78

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Solution

The fourth proportional to 1,449,936.78, 2,176,289.01 and 890,064.78 is: 1,335,946.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,936.78 : 2,176,289.01 = 890,064.78 : x
  2. Step 2: Convert to fraction form
    1,449,936.78/2,176,289.01 = 890,064.78/x
  3. Step 3: Cross multiply
    1,449,936.78x = 2,176,289.01 × 890,064.78
  4. Step 4: Simplify right side
    1,449,936.78x = 1,937,038,198,902.07
  5. Step 5: Solve for x
    x = 1,937,038,198,902.07/1,449,936.78
  6. Step 6: Final answer
    x = 1,335,946.66

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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.