Home / 1,196,288.37-1,792,882.50-485,928.90

Finding the Fourth Proportional to 1,196,288.37, 1,792,882.50 and 485,928.90

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Solution

The fourth proportional to 1,196,288.37, 1,792,882.50 and 485,928.90 is: 728,263.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,288.37 : 1,792,882.50 = 485,928.90 : x
  2. Step 2: Convert to fraction form
    1,196,288.37/1,792,882.50 = 485,928.90/x
  3. Step 3: Cross multiply
    1,196,288.37x = 1,792,882.50 × 485,928.90
  4. Step 4: Simplify right side
    1,196,288.37x = 871,213,421,054.25
  5. Step 5: Solve for x
    x = 871,213,421,054.25/1,196,288.37
  6. Step 6: Final answer
    x = 728,263.72

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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.