Home / 1,263,788.80-1,895,683.24-422,340.52

Finding the Fourth Proportional to 1,263,788.80, 1,895,683.24 and 422,340.52

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Solution

The fourth proportional to 1,263,788.80, 1,895,683.24 and 422,340.52 is: 633,510.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,788.80 : 1,895,683.24 = 422,340.52 : x
  2. Step 2: Convert to fraction form
    1,263,788.80/1,895,683.24 = 422,340.52/x
  3. Step 3: Cross multiply
    1,263,788.80x = 1,895,683.24 × 422,340.52
  4. Step 4: Simplify right side
    1,263,788.80x = 800,623,845,336.89
  5. Step 5: Solve for x
    x = 800,623,845,336.89/1,263,788.80
  6. Step 6: Final answer
    x = 633,510.79

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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.