Home / 1,262,308.94-1,893,480.14-420,860.96

Finding the Fourth Proportional to 1,262,308.94, 1,893,480.14 and 420,860.96

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Solution

The fourth proportional to 1,262,308.94, 1,893,480.14 and 420,860.96 is: 631,297.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,308.94 : 1,893,480.14 = 420,860.96 : x
  2. Step 2: Convert to fraction form
    1,262,308.94/1,893,480.14 = 420,860.96/x
  3. Step 3: Cross multiply
    1,262,308.94x = 1,893,480.14 × 420,860.96
  4. Step 4: Simplify right side
    1,262,308.94x = 796,891,869,461.33
  5. Step 5: Solve for x
    x = 796,891,869,461.33/1,262,308.94
  6. Step 6: Final answer
    x = 631,297.02

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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.