Home / 1,215,722.46-1,821,953.48-946,176.06

Finding the Fourth Proportional to 1,215,722.46, 1,821,953.48 and 946,176.06

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Solution

The fourth proportional to 1,215,722.46, 1,821,953.48 and 946,176.06 is: 1,417,995.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,722.46 : 1,821,953.48 = 946,176.06 : x
  2. Step 2: Convert to fraction form
    1,215,722.46/1,821,953.48 = 946,176.06/x
  3. Step 3: Cross multiply
    1,215,722.46x = 1,821,953.48 × 946,176.06
  4. Step 4: Simplify right side
    1,215,722.46x = 1,723,888,765,209.69
  5. Step 5: Solve for x
    x = 1,723,888,765,209.69/1,215,722.46
  6. Step 6: Final answer
    x = 1,417,995.33

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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.