Home / 1,228,699.33-1,843,878.98-429,987.80

Finding the Fourth Proportional to 1,228,699.33, 1,843,878.98 and 429,987.80

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Solution

The fourth proportional to 1,228,699.33, 1,843,878.98 and 429,987.80 is: 645,272.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,699.33 : 1,843,878.98 = 429,987.80 : x
  2. Step 2: Convert to fraction form
    1,228,699.33/1,843,878.98 = 429,987.80/x
  3. Step 3: Cross multiply
    1,228,699.33x = 1,843,878.98 × 429,987.80
  4. Step 4: Simplify right side
    1,228,699.33x = 792,845,456,857.05
  5. Step 5: Solve for x
    x = 792,845,456,857.05/1,228,699.33
  6. Step 6: Final answer
    x = 645,272.15

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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.