Home / 1,262,298.43-1,893,464.39-420,850.45

Finding the Fourth Proportional to 1,262,298.43, 1,893,464.39 and 420,850.45

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Solution

The fourth proportional to 1,262,298.43, 1,893,464.39 and 420,850.45 is: 631,281.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,298.43 : 1,893,464.39 = 420,850.45 : x
  2. Step 2: Convert to fraction form
    1,262,298.43/1,893,464.39 = 420,850.45/x
  3. Step 3: Cross multiply
    1,262,298.43x = 1,893,464.39 × 420,850.45
  4. Step 4: Simplify right side
    1,262,298.43x = 796,865,333,752.56
  5. Step 5: Solve for x
    x = 796,865,333,752.56/1,262,298.43
  6. Step 6: Final answer
    x = 631,281.25

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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.