Home / 1,263,774.09-1,895,661.15-422,325.84

Finding the Fourth Proportional to 1,263,774.09, 1,895,661.15 and 422,325.84

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Solution

The fourth proportional to 1,263,774.09, 1,895,661.15 and 422,325.84 is: 633,488.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,774.09 : 1,895,661.15 = 422,325.84 : x
  2. Step 2: Convert to fraction form
    1,263,774.09/1,895,661.15 = 422,325.84/x
  3. Step 3: Cross multiply
    1,263,774.09x = 1,895,661.15 × 422,325.84
  4. Step 4: Simplify right side
    1,263,774.09x = 800,586,693,054.12
  5. Step 5: Solve for x
    x = 800,586,693,054.12/1,263,774.09
  6. Step 6: Final answer
    x = 633,488.77

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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.