Home / 1,242,879.16-1,863,137.58-792,335.56

Finding the Fourth Proportional to 1,242,879.16, 1,863,137.58 and 792,335.56

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Solution

The fourth proportional to 1,242,879.16, 1,863,137.58 and 792,335.56 is: 1,187,750.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,879.16 : 1,863,137.58 = 792,335.56 : x
  2. Step 2: Convert to fraction form
    1,242,879.16/1,863,137.58 = 792,335.56/x
  3. Step 3: Cross multiply
    1,242,879.16x = 1,863,137.58 × 792,335.56
  4. Step 4: Simplify right side
    1,242,879.16x = 1,476,230,157,806.35
  5. Step 5: Solve for x
    x = 1,476,230,157,806.35/1,242,879.16
  6. Step 6: Final answer
    x = 1,187,750.35

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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.