Home / 1,228,698.33-1,843,877.48-429,986.79

Finding the Fourth Proportional to 1,228,698.33, 1,843,877.48 and 429,986.79

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Solution

The fourth proportional to 1,228,698.33, 1,843,877.48 and 429,986.79 is: 645,270.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,698.33 : 1,843,877.48 = 429,986.79 : x
  2. Step 2: Convert to fraction form
    1,228,698.33/1,843,877.48 = 429,986.79/x
  3. Step 3: Cross multiply
    1,228,698.33x = 1,843,877.48 × 429,986.79
  4. Step 4: Simplify right side
    1,228,698.33x = 792,842,963,388.18
  5. Step 5: Solve for x
    x = 792,842,963,388.18/1,228,698.33
  6. Step 6: Final answer
    x = 645,270.64

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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.