Home / 1,235,924.80-1,855,053.60-763,532.80

Finding the Fourth Proportional to 1,235,924.80, 1,855,053.60 and 763,532.80

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Solution

The fourth proportional to 1,235,924.80, 1,855,053.60 and 763,532.80 is: 1,146,019.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,924.80 : 1,855,053.60 = 763,532.80 : x
  2. Step 2: Convert to fraction form
    1,235,924.80/1,855,053.60 = 763,532.80/x
  3. Step 3: Cross multiply
    1,235,924.80x = 1,855,053.60 × 763,532.80
  4. Step 4: Simplify right side
    1,235,924.80x = 1,416,394,269,358.08
  5. Step 5: Solve for x
    x = 1,416,394,269,358.08/1,235,924.80
  6. Step 6: Final answer
    x = 1,146,019.78

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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.