Home / 1,247,993.55-1,871,995.79-395,069.37

Finding the Fourth Proportional to 1,247,993.55, 1,871,995.79 and 395,069.37

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Solution

The fourth proportional to 1,247,993.55, 1,871,995.79 and 395,069.37 is: 592,605.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,993.55 : 1,871,995.79 = 395,069.37 : x
  2. Step 2: Convert to fraction form
    1,247,993.55/1,871,995.79 = 395,069.37/x
  3. Step 3: Cross multiply
    1,247,993.55x = 1,871,995.79 × 395,069.37
  4. Step 4: Simplify right side
    1,247,993.55x = 739,568,197,397.95
  5. Step 5: Solve for x
    x = 739,568,197,397.95/1,247,993.55
  6. Step 6: Final answer
    x = 592,605.79

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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.