Home / 1,289,544.40-1,933,855.80-448,123.60

Finding the Fourth Proportional to 1,289,544.40, 1,933,855.80 and 448,123.60

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Solution

The fourth proportional to 1,289,544.40, 1,933,855.80 and 448,123.60 is: 672,025.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,544.40 : 1,933,855.80 = 448,123.60 : x
  2. Step 2: Convert to fraction form
    1,289,544.40/1,933,855.80 = 448,123.60/x
  3. Step 3: Cross multiply
    1,289,544.40x = 1,933,855.80 × 448,123.60
  4. Step 4: Simplify right side
    1,289,544.40x = 866,606,422,976.88
  5. Step 5: Solve for x
    x = 866,606,422,976.88/1,289,544.40
  6. Step 6: Final answer
    x = 672,025.27

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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.