Home / 1,248,928.26-1,723,562.73-765,399.98

Finding the Fourth Proportional to 1,248,928.26, 1,723,562.73 and 765,399.98

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Solution

The fourth proportional to 1,248,928.26, 1,723,562.73 and 765,399.98 is: 1,056,277.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,928.26 : 1,723,562.73 = 765,399.98 : x
  2. Step 2: Convert to fraction form
    1,248,928.26/1,723,562.73 = 765,399.98/x
  3. Step 3: Cross multiply
    1,248,928.26x = 1,723,562.73 × 765,399.98
  4. Step 4: Simplify right side
    1,248,928.26x = 1,319,214,870,452.93
  5. Step 5: Solve for x
    x = 1,319,214,870,452.93/1,248,928.26
  6. Step 6: Final answer
    x = 1,056,277.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.