Home / 1,178,147.12-1,767,185.51-325,270.85

Finding the Fourth Proportional to 1,178,147.12, 1,767,185.51 and 325,270.85

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Solution

The fourth proportional to 1,178,147.12, 1,767,185.51 and 325,270.85 is: 487,896.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,147.12 : 1,767,185.51 = 325,270.85 : x
  2. Step 2: Convert to fraction form
    1,178,147.12/1,767,185.51 = 325,270.85/x
  3. Step 3: Cross multiply
    1,178,147.12x = 1,767,185.51 × 325,270.85
  4. Step 4: Simplify right side
    1,178,147.12x = 574,813,922,483.10
  5. Step 5: Solve for x
    x = 574,813,922,483.10/1,178,147.12
  6. Step 6: Final answer
    x = 487,896.56

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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.