Home / 1,138,962.66-1,571,801.49-629,698.02

Finding the Fourth Proportional to 1,138,962.66, 1,571,801.49 and 629,698.02

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Solution

The fourth proportional to 1,138,962.66, 1,571,801.49 and 629,698.02 is: 869,001.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,962.66 : 1,571,801.49 = 629,698.02 : x
  2. Step 2: Convert to fraction form
    1,138,962.66/1,571,801.49 = 629,698.02/x
  3. Step 3: Cross multiply
    1,138,962.66x = 1,571,801.49 × 629,698.02
  4. Step 4: Simplify right side
    1,138,962.66x = 989,760,286,086.05
  5. Step 5: Solve for x
    x = 989,760,286,086.05/1,138,962.66
  6. Step 6: Final answer
    x = 869,001.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.